Not pertaining to any particular part of Ireland and nowadays
a rare name. Of Anglo-Norman extraction. Not surprisingly the
history of the clan is associated with those charged with the
keeping of pigs.
An English toponymic which first appeared in Ireland in the sixteenth
century. Mainly associated with the midlands, especially Carlow
where the clan gave its name to Bagenalstown. Also common in Westmeath.
An English name whose presence in Ireland can be traced back to
the 12th century. Can be spelt Bailie also. Found mostly along the
Found almost exclusively in the north-east of Ireland, especially
in south Antrim. The name of a clan in Scotland.
Quite common in all four provinces of Ireland but particularly numerous
in Munster. Unsurprisingly the name is thought to have emanated
in England and to have derived from the activity of making bread.
Found principally in north Leinster. An immigrant name - thought
to originate in Germany - boasting a presence in Ireland going back
some six hundred years. See Kildare-Meath.
Most common in Ulster, especially Tyrone, but also represented in
Leinster. English in origin.
A version of the Gaelic word ballach meaning marked. Confined mainly
to Co. Dublin now though once spread around the country.
Derived from a town of the same name in Scotland. Common in the
north-east of Ireland.
A west of Ireland name, especially prominent in Roscommon and Sligo.
More commonly seen as O Bannigan before the seventeenth century.
Largely found in its relatively new form in the border counties
of Cavan and Monaghan.
A name adopted by several septs, the most prolific of which are
to be found in Fermanagh and south Kilkenny.
Three hundred years ago, the Barden clan were principally located
in the Longford/Westmeath area. Nothing has changed in that respect
although it is now pretty common in the south-east also.
Closely related to Barron and Barden. Originated in England and
found mostly in Dublin.
Can claim both English and Scottish roots. Predominately found in
the north-east of Ireland, especially County Antrim.
The Barrett clan came to Ireland with the Anglo-Normans and settled
principally in Munster (Cork-Kerry) and Connacht (Sligo-Mayo). Fairly
Related to the Scottish Frazer clan and also the ONeills of
Tyrone. The name is most common nowadays in the south, especially
Waterford and Cork.
Came to Ireland with the Anglo-Norman invasion of 1170 but werent
long in becoming completely integrated with the native aristocracy.
The name is found in almost every part of Ireland but is most numerous
in Munster, especially Cork.
Called after a town in England and has grown in popularity in the
north of Ireland principally over the last five hundred years.
Derived from a placename in England. Was formerly prominent in the
border counties but now popular in north Leinster, especially Meath.
Found for the most part in counties Cavan and Monaghan. The clan
derives its name from Saint Bartholomew. Originates in England.
Found in county Clare and Wicklow in good numbers.
Identified with Scottish immigrants who arrived in the north-east
of the country during the Ulster plantation. Still very common in
A notable name common to northern parts of Ulster. Of English/French
Thought to have derived from the name of a Norman family. Appears
in county Meath.
Most numerous in Limerick, Clare and Cork though a branch of the
clan settled much earlier in Co. Donegal and were thought to be
Less common than Begley but does appear in historical records as
having existed from the 15th century in in fair-sized numbers in
Originally concentrated around the east coast, the clan also spread
to Kerry and to the western seaboard at Clare.
Not to be confused with OByrne, they are thought to have Scandinavian
roots. Most common west of the Shannon, especially in the Sligo/Roscommon
Archetypal English name but is very common in the north-east of
Derived from a Norman settlement, it is one of the oldest Norman
names in Ireland and has given its name to several places such as
Bellewstown (as in the races) in Co. Meath. Common in Royal County.
Derived from places of the same name in England. Of Anglo-Norman
extraction, the clan have been concentrated around Dublin for the
most part for the last there hundred years.
An Anglo-Irish family of French stock which settled mainly in the
south-east of the country, most notably Waterford and Kilkenny.
In Monaghan, the family is known as McBennett.
One of the least popular English names in Ireland, it hasnt
spread from its original base of Limerick and Tipperary since becoming
established in Ireland some three hundred years ago.
Unheard of in the north or west of Ireland but quite common in the
greater Dublin area and the midlands as far south as north Tipperary.
A prominent Norman family which settled in Kildare, Offaly and Galway
for the most part.
Particularly noticeable presence in county Louth.
Originates from England but is common in Ireland now, especially
in the midlands. Also Wexford.
The north of the country, especially the greater Belfast area plus
neigbouring counties plays host to most of this clan which originates
from England. Others settled in southern parts of Leinster back
in the seventeenth century.
Closely related to the Biggins of Co. Mayo. The Beggan name is largely
confined to Counties Monaghan and Meath and is one of the rarer
Arrived in Ireland from England some three hundred years ago, settling
for the most part in Co. Cork
Derived from an English town of the same name, Bingham is a common
name in the north-east of Ireland, principally in counties Antrim
Common and is closely related to Heneghan, McEneaney, Heagney and
Heaney. Sometimes O English origin.
Of the same family tree as Burt and Brett. It is of English rather
than Scottish origin and is found mostly in Co. Derry but also in
the greater Dublin area.
Archetypal Scottish name which is very common in Ulster. Related
to the name Duff (as in Gaelic, dubh).
Scottish in origin. Has travelled well and is very common in Ulster.
Originally headquartered in Connacht following the arrival of Richard
Caddell (known as le Blaca - the black) in the 12th century. A number
of the clan have since made their presence felt in Counties Kildare
and Meath. Large landowners in the west in the 14th century.
Unconnected with Blake. Derived from a place name in England which
is relatively new to Ireland. It appears most often nowadays in
the border counties and the extreme north-east of the country i.e.
Also known as Blayneys. They are of Welsh stock and settled in the
border counties of Monaghan (Castleblayney) and Cavan as well as
Down in the 16th century. Also Donegal.
Principally found in Cork but its Ulster relative is just as common
in Monaghan, Cavan and Fermanagh. In counties Laois and Waterford,
it appears as Bowe.
Appears in various forms but most numerous as Bohan. Particularly
common west of the Shannon in Galway and Clare. Also Leitrim and
The name is of Norse extraction but is associated strongly in particular
with the septs, Uí Fiachrach and the Dalcassian.
Most common in Wexford where the people of the county are often
referred to as yellow bellies - bolg in gaelic meaning belly and
odhar meaning yellow.
Comes from the Lancashire town of the same name but has featured
in various parts of Ireland for the last five hundred years but
is particularly common in Laois and Offaly.
Boasts French roots. Originally Limerick-centred but more common
now in the province of Ulster, notably Donegal.
A variant of Bonner, both of which are common in north Ulster, especially
Donegal. It is very uncommon elsewhere in the country.
Prominent in counties Dublin and Sligo for the last three hundred
years. Derived from the English occupational name for a person who
looks after cows.
The french version of Butcher which initially appeared in Wexford
but which has since spread over the last five hundred years to areas
of the country as far apart as counties Cavan and Cork.
Of English/French extraction, it is common in Antrim, Derry and
Donegal and is related to the Bogue clan.
Originated in Scotland but is now very common in the north-east
of Ireland, especially Antrim, and also Donegal. Unconnected with
Scattered around the border counties of south Ulster and north Leinster.
In centuries past their influence in Monaghan was very strong until
they fell out with the even more influential McMahon clan.
Donegal is the heartland of the Boyle clan. They were once one of
the most powerful familes in Ulster, hailing from the barony of
Boylagh. They were also closely associated with Armagh and Derry
in centuries past.
Common to Laois and Offaly but very few other places in Ireland.
Has featured in Ireland for more than four hundred years.
The Bradleys of Ireland are mostly derived from the old Irish OBrallaghan
clan which had their roots in Ulster. Numerous examples present
Almost exclusively identified with the county of Cavan. Boasts a
rich history and it sof the areas longest established clans.
See Meath also.
Almost exclusively pertaining to Co. Down. Very rare elsewhere.
A name confined primarily to the counties of Monaghan and Tyrone.
It is a branch of the ONeill clan.
Can still be found in parts of the north-east of Ulster but more
often than not clan members are now better known as Walsh.
Like Brannagh this is a dying surname and over the centuries has
largely been replaced by Brennan which is found mostly in counties
Monaghan and Fermanagh.
Deemed to be unconnected with the Wicklow town of the same name.
In more recent years, the synonym Bree has become more popular though
Bray can still be found quite a bit in counties such as Meath and
Unknown in the north of the country, it thought to be of Norman
extraction and is found primarily in the south-east of Ireland.
Also common in Offaly area.
Four independent Brennan clans can be found in various parts of
the country, including those in Fermanagh, Kerry, Kilkenny and Galway.
Closely related to the Murtagh clan of south Ulster. MacBrearty
however is found mainly in Co. Donegal.
May have derived from an English placename and though initially
common in Munster now tends to be concentrated in Sligo.
Can be found also with the prefix O also but more often than not
goes it alone. Most common in the midlands of Ireland, Offaly in
particular though the name is also represented in Kerry/Limerick
Boasts Kilkenny and Roscommon roots but now most popular in Cavan.
Derives its name from a village in England. The Breretons arrived
in Ireland via Normandy and settled primarily in Tipperary. Common
around Edenderry area of Offaly.
An archetypal Gaelic name very common in pre-Norman invasion days.
Related to the Brazil clan and found principally in Tyrone and especially
Deemed to have originated in Bretony in France but in Ireland since
medieval times. Is quite common in Munster. Also Mayo.
More commonly known in modern times as O Bric (of Waterford pedigree),
it was once common in Clare and Limerick but is now rarely found
outside of Co. Kerry.
There are Irish and Scottish branches of the MacBride clan. The
former is concentrated in Co. Donegal while the latter centres mainly
in Co. Antrim.
One of the most common of all Irish names, it was most numerous
in Munster in centuries past but is now widely represented across
Ireland. Thought to have descended from Brian Boru.
Very uncommon apart from the Cavan/Longford border. Not to be confused
with the Breffni Bradys.
Found almost exclusively in Co. Dublin. Thought to have derived
from an English placename.
Particularly popular in Galway, it is derived from a Norse forename
and can sometimes be found in the form of the abbreviated Broder.
The Scottish version of the gaelic name OBrollaghan.
Very common in the west of Ireland. Belongs to the Uí Fiachrach
Muaidhe group of Sligo and north Mayo.
Derry is the home of the Brollys. Thought to have Norman ancestry.
Gives its name to Brookeborough in Co. Fermanagh. A common planters
name in Ulster back in the 16th century. Still common, especially
in areas west of the River Erne.
Very few examples exist in the country outside of the midland counties
in proximity to Laois where it is most numerous.
Kerry is the heartland of the Brosnan name and is rarely seen anywhere
outside of the south Munster region.
Very common name in Ireland, past and present. One of the fourteen
tribes of Galway, the name became firmly established following the
Norman invasion of the 12th century, hence the connection with le
Has been a feature of Irish life since the 16th century but gets
its name from a place in England. Most common nowadays in Meath
The name of a once very prominent Norman family on Noreside. Over
the centuries it has interchanged with similar names such as Byrne
Derived from the name of a town in Scotland. Is found mostly in
south-west Ulster and has spawned the name Bohan as found in Clare
More commonly used form of the gaelic OBuachalla (of the boy)
which had Offaly as its heartland. Buckley is a very common name
A popular name in the south-east and midland areas of the country,
Buggy is derived from the gaelic word for soft, i.e. bog
Kerry is the main source of this clan which can trace its roots
to England. Often changed to Bennett.
One of the most powerful of the Anglo-Norman settlers who arrived
in Ireland with Strongbow. William de Burgh was the progenitor of
the Burkes in Ireland. He came to Ireland in 1185. A common name
throughout Ireland, with the possible exception of Ulster.
Of Norse origin and common in Scotland. Became a popular name in
Ireland some three hundred years ago with the plantation of Ulster.
Archetypal Scottish name which is very common in the north of
Ireland and in some parts of Munster. Connections include OBeirne
Part of Irish history for the last 800 years and rivals the Burkes
and the Fitzgeralds as the greatest of all Norman families to make
an impression in Ireland. Can be found in all parts of Ireland but
most numerous in Kilkenny and Wexford.
Found in Louth (primarily) and neighbouring Meath. Derived from
a placename in England but is a relatively new introduction to Ireland.
Derives the name from a place in Scotland of the same name. There
is a Norman connection also as the name byre means cowman. Now chiefly
associated with Co. Cavan.
A great Irish family. One of the most common names in modern Ireland,
especially in Wicklow and south Leinster.