Ó Cathain

desc

English: Keane, Kane, Caine, O'Kane, Cain, etc.

a male surname, feminine equivalent Ní Chathain meaning Battler with the Ó prefix meaning "descendant of"


Breatnach

Breatnaigh (genitive)
Breatnach (mutation mutation-radical)
Bhreatnach (lenition mutation)
mBreatnach (eclipsis mutation)

/bʲɾʲəˈn̪ˠax/

/ˈbʲɾʲan̪ˠəx/

From Middle Irish Bretnach, synchronically Breatain + -ach (adjectival suffix).

a surname, feminine equivalent Bhreatnach, traditionally anglicized as Walsh


Ní Bhriain

a female surname, masculine equivalent Ó Briain


Ní Cheallaigh

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Ní Cheallaigh f (genitive Ní Cheallaigh)

a female surname, masculine equivalent Ó Ceallaigh


Ó Briain

English: O’Brien

[oː ˈbʲɾʲiənʲ]

a male surname, feminine equivalent Ní Bhriain


Ó Ceallaigh

English: Kelly, Kelley, Kellogg

a male surname, feminine equivalent Ní Cheallaigh


Ó Súilleabháin

Ó Súilleabháin m (genitive Uí Shúilleabháin)

desc

English: Sullivan, O'Sullivan, O Sullivan, Soolivan

a male surname, feminine equivalent Ní Shúilleabháin


Ó Maoldúin

English: Muldoon

a male surname originating as a patronymic, feminine equivalent Ní Mhaoldúin, equivalent to English Muldoon


Ó Brádaigh

Uí Bhrádaigh (genitive)
Ó Brádaigh (mutation mutation-radical)
nÓ Brádaigh (eclipsis mutation)
hÓ Brádaigh (mutation prothesis-h)

→ English: Brady

/uːa̯ˈbˠɾˠɑːd̪ˠɪɟ/

/oːˈbˠɾˠɑːd̪ˠə/

/oːˈbˠɾˠɑːd̪ˠiː/

/ɔːˈbˠɾˠaːd̪ˠi/

Literally “descendant of Brádach”, a name of uncertain origin, possibly from Old Irish brágae (“neck, throat”).

m-g

descendant of <i class="Latn mention" lang="ga">Brádach</i>

a male surname, feminine equivalent Ní Bhrádaigh


Ó Dochartaigh

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Ó Dochartaigh m (genitive Uí Dhochartaigh)

Literally ‘descendant of Dochartach’, a name meaning ‘unlucky, hurtful’.

a male surname, feminine equivalent Ní Dhochartaigh, equivalent to English Doherty


Búrca

Bhúrca (genitive)
Búrca (mutation mutation-radical)
Bhúrca (lenition mutation)
mBúrca (eclipsis mutation)

desc

→ English: de Burgh, Burgh, Burke, Bourke, Bourg, de Bourg, Burgo, de Burgo

From the Irish pronunciation of English burgh.

a topographical surname for someone who lived in a fortified place.


de Búrca

→ English: Burke, de Búrca

/d̪ˠəˈbˠuːɾˠkə/

From Anglo-Norman de Burgh, Literally, “of Burgh”. The founder of the Irish family was William de Burgh (ca. 1160–1206).

a topographical surname from Anglo-Norman for someone who lived in a fortified place.


Mac Carthaigh

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Mac Carthaigh m (genitive Mhic Carthaigh)

Mhic Carthaigh (genitive)
Mac Carthaigh (mutation mutation-radical)
Mhac Carthaigh (lenition mutation)

desc

English: McCarthy, Mc Carthy, Mccarthy, MacCarthy, Mac Carthy, Maccarthy, M'Carthy, MaCarthy, Macarthy, Carthy, McCarty

a male surname originating as a patronymic, feminine equivalent Nic Carthaigh, equivalent to English McCarthy


Ó Deághaidh

Uí Dheághaidh (genitive)
Ó Deághaidh (mutation mutation-radical)
nÓ Deághaidh (eclipsis mutation)
hÓ Deághaidh (mutation prothesis-h)

→ English: O'Dea

a male surname originating as a patronymic, feminine equivalent Ní Dheághaidh


Ó Cathaláin

English: O'Culhane

Ó (“grandchild, descendant”) + the personal name Cathaláin, a diminutive of Old Irish Cathal itself from Proto-Celtic *Katuwalos (“strong in battle”).

inh

a male surname, feminine equivalent Ní Chathaláin


Tóibín

Tóibín (genitive)
Tóibín (mutation mutation-radical)
Thóibín (lenition mutation)
dTóibín (eclipsis mutation)

→ English: Tobin

From Anglo-Norman de Saint Aubyn (compare English Saint Aubin), from Latin Sanctus Albīnus, adapted to the suffix -ín.


Ó Cathasaigh

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Ó Cathasaigh m (genitive Uí Chathasaigh)

From Old Irish cathaisech (“vigilant; noisy”). By surface analysis, cathais (“vigil, watch”) + -ach. Compare cathaiseach.

surf

a male surname from Old Irish, feminine equivalent Ní Chathasaigh, equivalent to English Casey


Ó hOdhráin

→ English: Horan

A patronymic surname from Ó "Descendant" + Odhráin "of Odhrán", literally “son of Odhrán”.

a male surname, feminine equivalent Ní Odhráin


Ó Conaill

→ English: Connel, Connell, O'Connell

a male surname, feminine equivalent Ní Chonaill


Ó Faoláin

→ English: Hyland, Phelan, Whelan

a male surname, feminine equivalent Ní Fhaoláin


Ó Coinn

desc

→ English: Quinn, O'Guin, O'Guinn, O'Quin

a male surname, feminine equivalent Ní Choinn


Mac Giolla Fhaoláin

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Mac Giolla Fhaoláin m (genitive Mhic Giolla Fhaoláin)

English: Gilliland, McClellan

Literally, “son of the servant of Faolán”

lit

Nic Giolla Fhaoláin
Nic Giolla Fhaoláin#Irish

a male surname, feminine equivalent Nic Giolla Fhaoláin


Mac Daibhéid

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Mac Daibhéid m (genitive Mhic Dhaibhéid)

Mhic Dhaibhéid (genitive)
Mac Daibhéid (mutation mutation-radical)
Mhac Daibhéid (lenition mutation)

→ English: McDade, McDavid, McDevitt

a male surname from patronyms, feminine equivalent Nic Dhaibhéid


Mac Cába

Mhic Cába (genitive)
Mac Cába (mutation mutation-radical)
Mhac Cába (lenition mutation)

→ English: Cabe, MacCabe, McCabe

Uncertain. Appears to mean “son of Cába”, but Cába is not an Irish given name. It could be from cába (“cape, hood”) used as a nickname or an alteration of Mac Aba (literally “son of the abbot”).

a male surname, feminine equivalent Nic Cába


Mac Géibheannaigh

Mac Géibheannaigh m (genitive Mhic Géibheannaigh)

Mhic Géibheannaigh (genitive)
Mac Géibheannaigh (mutation mutation-radical)
Mhac Géibheannaigh (lenition mutation)

desc

→ English: Gainey, Gean, Guiney, Keaveney

Literally, “son of the prisoner or captive”.

lit

Nic Géibheannaigh
Nic Géibheannaigh#Irish

a male surname, feminine equivalent Nic Géibheannaigh


Mac Gabhann

Mhic Gabhann (genitive)
Mac Gabhann (mutation mutation-radical)
Mhac Gabhann (lenition mutation)

→ English: Gowan, MacGowan, McGowan

a male surname, feminine equivalent Nic Gabhann, equivalent to English Gowan, McGowan, or Smith


Ó Conghalaigh

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Ó Conghalaigh m (genitive Uí Chonghalaigh)

desc

English: Conley, Connelly, Connolly, O'Connelly, O'Connolly

a male surname, feminine equivalent Ní Chonghalaigh


Mac Artúir

Mhic Artúir (genitive)
Mac Artúir (mutation mutation-radical)
Mhac Artúir (lenition mutation)

→ English: Carter, MacArthur, McArthur

a male surname originating as a patronymic, feminine equivalent Nic Artúir, equivalent to English Carter, MacArthur, or McArthur


Ó Dáire

a male surname originating as a patronymic, feminine equivalent Ní Dháire, equivalent to English Adair


Mac an Bhreitheamhan

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Mac an Bhreitheamhan m (genitive Mhic an Bhreitheamhan)

Nic an Bhreitheamhan
Nic an Bhreitheamhan#Irish

a male surname originating as an occupation, feminine equivalent Nic an Bhreitheamhan, equivalent to English Abraham, FitzAbraham, MacAbraham, MacAbrehan, Brehon, MacBrehon, Brohoon, or MacBrohoon


Mac Adaim

desc

English: MacAdam, Macadam, McAdam, MacCadam, MacCaddam, MacAdams, Adams, Addams (rare)

Literally, “son of Adam”. Doublet of Mac Ádhaimh.

a male surname originating as a patronymic, feminine equivalent Nic Adaim, equivalent to English MacAdam


Ó Conghaile

a male surname, variant of Ó Conghalaigh, feminine equivalent Ní Chonghaile


Seoighe

Sheoighe (genitive)
Seoighe (mutation mutation-radical)
Sheoighe (lenition mutation)
tSeoighe (lenition mutation)

From Old French Josse, name of a seventh-century saint Latinized as Latin Iodocus, from Breton Iodoc, diminutive of iudh (“lord”), from Proto-Celtic *youdos.

a surname from Anglo-Norman, equivalent to English Joyce