Best Sibling Names for Cogan

Names chosen to complement Cogan — matching origin (Ireland), era, and style.

200 options99 girl114 boy
These sibling names share Cogan's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Ryan
Cogan & Ryan
Boy
Ireland
From an Irish surname which was derived from Ó Riain meaning "descendant of Rían". The given name Rían probably means "little king" (from Irish rí "king" combined with a diminutive suffix).
#83
Brianna
Cogan & Brianna
Girl
Ireland
Variant of BRIANA.
#152
Reagan
Cogan & Reagan
Girl
Ireland
Descendant of Riagán
#168
Brody
Cogan & Brody
Boy
Ireland
ditch, muddy place
#204
Delaney
Cogan & Delaney
Girl
Ireland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233
Aidan
Cogan & Aidan
Boy
Ireland
Little fire
#300
McKenna
Cogan & McKenna
Girl
Ireland
descendant of the headstrong one
#326
Desmond
Cogan & Desmond
Boy
Ireland
From the grassland village
#399
Briana
Cogan & Briana
Girl
Ireland
Feminine form of BRIAN. This name was used by Edmund Spenser in 'The Faerie Queene' (1590). The name was not commonly used until the 1970s, when it rapidly became popular in the United States.
#470
Kieran
Cogan & Kieran
Boy
Ireland
Little dark one
#477
Shavaun
Cogan & Shavaun
Girl
Ireland
From the -shawn family of names
#500
Daigan
Cogan & Daigan
Boy
Ireland
sorrow or difficulty
#502
Nora
Cogan & Nora
Girl
Ireland
honor
#24
Drennan
Cogan & Drennan
Boy
Ireland
Descendant of Dreánán
#533
Blaney
Cogan & Blaney
Unisex
Ireland
daughter of the river
#541
Aidann
Cogan & Aidann
Boy
Ireland
little fire
#543
Mainhia
Cogan & Mainhia
Girl
Ireland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543
Riley
Cogan & Riley
Girl
Ireland
From a surname which comes from two distinct sources. As an Irish surname it is a variant of REILLY. As an English surname it is derived from a place name meaning "rye clearing" in Old English.
#43
Breannon
Cogan & Breannon
Girl
Ireland
descendant of Braonán
#544
Denin
Cogan & Denin
Boy
Ireland
Defender; Descendant of Donn
#547
Kieley
Cogan & Kieley
Girl
Ireland
slender, beautiful
#547
Nigell
Cogan & Nigell
Boy
Ireland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554
Nolan
Cogan & Nolan
Boy
Ireland
Noble, famous
#57
Siohban
Cogan & Siohban
Girl
Ireland
God is gracious.
#560
Shevaun
Cogan & Shevaun
Girl
Ireland
Anglicized form of SIOBHÁN.
#561
Rielley
Cogan & Rielley
Girl
Ireland
descendant of the red-haired one
#567
Shivon
Cogan & Shivon
Girl
Ireland
God is gracious
#569
Maeve
Cogan & Maeve
Girl
Ireland
Intoxicating.
#73
Meaghann
Cogan & Meaghann
Girl
Ireland
pearl
#579
Neana
Cogan & Neana
Girl
Ireland
Word derived from the Irish term for 'little girl'.
#582
Kerlin
Cogan & Kerlin
Girl
Ireland
Little dark one.
#586
Quinn
Cogan & Quinn
Girl
Ireland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86
Tieg
Cogan & Tieg
Boy
Ireland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588
Dregan
Cogan & Dregan
Boy
Ireland
Little druid
#592
Kevina
Cogan & Kevina
Girl
Ireland
Gentle, beautiful; Crowned with beauty
#594
Gael
Cogan & Gael
Boy
Ireland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99
Keilan
Cogan & Keilan
Boy
Ireland
Narrow or skinny; Slender or thin
#603
Padrick
Cogan & Padrick
Boy
Ireland
Noble, patrician
#614
Grainne
Cogan & Grainne
Girl
Ireland
Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')
#615
Donovann
Cogan & Donovann
Boy
Ireland
Dark warrior
#624
Keegan
Cogan & Keegan
Boy
Ireland
descendant of Caodhán
#627
Kayleigh
Cogan & Kayleigh
Girl
Ireland
Variant of KAYLEE. This is also a common Anglicized form of the Gaelic word ceilidh, a traditional social gathering and dance.
#631
Declan
Cogan & Declan
Boy
Ireland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132
Shealan
Cogan & Shealan
Girl
Ireland
from the fairy palace; blessed by good fortune
#634
Madden
Cogan & Madden
Boy
Ireland
Little dog
#645
Bronagh
Cogan & Bronagh
Girl
Ireland
sorrowful, sad
#646
Sloane
Cogan & Sloane
Girl
Ireland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151
Bandon
Cogan & Bandon
Boy
Ireland
Derived from the place name meaning 'the river Bandon'
#653
Erin
Cogan & Erin
Girl
Ireland
Anglicized form of EIREANN. It has been used as a given name since the middle of the 20th century.
#653
Shiobhan
Cogan & Shiobhan
Girl
Ireland
Derived from the name Siobhán, meaning 'God is gracious'.
#662
Keeven
Cogan & Keeven
Boy
Ireland
descendant of Caomhín
#663
Patrickjames
Cogan & Patrickjames
Boy
Ireland
from 'Patricius', meaning nobleman or patrician.; James is derived from the Hebrew name Yaakov, meaning supplanter.
#663
Shivonne
Cogan & Shivonne
Girl
Ireland
God is gracious
#665
Sheriden
Cogan & Sheriden
Girl
Ireland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671
Keedan
Cogan & Keedan
Boy
Ireland
a descendant of Caedán
#682
Maeghan
Cogan & Maeghan
Girl
Ireland
Variant of MEGAN.
#685
Finn
Cogan & Finn
Boy
Ireland
fair, white
#186
Fallon
Cogan & Fallon
Girl
Ireland
From an Irish surname which was derived from Ó Fallamhain meaning "descendant of Fallamhan". The given name Fallamhan meant "leader". It was popularized in the 1980s by a character on the soap opera 'Dynasty'.
#688
Aaidan
Cogan & Aaidan
Boy
Ireland
little fire
#695
Tyron
Cogan & Tyron
Boy
Ireland
from the land of Eógan, a given name.
#696
Kielin
Cogan & Kielin
Boy
Ireland
Slender, Fair
#704
Eaden
Cogan & Eaden
Unisex
Ireland
little fire
#706
Kiley
Cogan & Kiley
Girl
Ireland
Variant of KYLIE.
#709
Drian
Cogan & Drian
Boy
Ireland
sublime
#716
Oscar
Cogan & Oscar
Boy
Ireland
deer lover
#216
Rhasheen
Cogan & Rhasheen
Boy
Ireland
Little Rose
#720
Patrick
Cogan & Patrick
Boy
Ireland
From the Latin name Patricius, which meant "nobleman". This name was adopted in the 5th-century by Saint Patrick, whose birth name was Sucat.
#224
Rianah
Cogan & Rianah
Girl
Ireland
little king; queen
#729
Aidrian
Cogan & Aidrian
Boy
Ireland
From the sea
#730
Shaylin
Cogan & Shaylin
Girl
Ireland
From the fairy palace.; A variant of the name Shailene.
#731
Erine
Cogan & Erine
Girl
Ireland
peace
#735
Teige
Cogan & Teige
Boy
Ireland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736
Tierney
Cogan & Tierney
Girl
Ireland
lord / landowner
#740
Shanny
Cogan & Shanny
Girl
Ireland
from the old oak tree
#741
Rory
Cogan & Rory
Unisex
Ireland
red king
#242
Kahlen
Cogan & Kahlen
Unisex
Ireland
Pure, slender
#745
Meagan
Cogan & Meagan
Girl
Ireland
Pearl
#747
Naileen
Cogan & Naileen
Girl
Ireland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751
Devvin
Cogan & Devvin
Boy
Ireland
Poet
#753
Keaire
Cogan & Keaire
Unisex
Ireland
Dark-haired
#760
Loagan
Cogan & Loagan
Boy
Ireland
descendant of the warrior
#764
Rheann
Cogan & Rheann
Girl
Ireland
Great queen or goddess
#768
Shioban
Cogan & Shioban
Girl
Ireland
God is gracious
#781
Flynn
Cogan & Flynn
Boy
Ireland
descendant of the red-haired one
#782
McCord
Cogan & McCord
Boy
Ireland
Son of the cord or rope maker; also, a surname that has become popular as a first name.
#790
Ronan
Cogan & Ronan
Boy
Ireland
little seal
#290
Padriac
Cogan & Padriac
Boy
Ireland
Noble, patrician
#791
Kelty
Cogan & Kelty
Girl
Ireland
from the narrow wood; dweller near the woods
#793
Tyghe
Cogan & Tyghe
Boy
Ireland
Derived from 'Tadhg', meaning 'poet' or 'philosopher'.
#795
Bhrianna
Cogan & Bhrianna
Girl
Ireland
exalted; noble
#796
Shevin
Cogan & Shevin
Boy
Ireland
God is gracious
#796
Aeden
Cogan & Aeden
Boy
Ireland
little fire
#805
Teagan
Cogan & Teagan
Unisex
Ireland
Attractive, beautiful
#309
Brian
Cogan & Brian
Boy
Ireland
noble, strong
#317
Brodderick
Cogan & Brodderick
Boy
Ireland
Son of Roger
#828
Ashlyn
Cogan & Ashlyn
Girl
Ireland
Dream; vision
#831
AidanJohn
Cogan & AidanJohn
Boy
Ireland
little fire; God is gracious
#832
AidenMatthew
Cogan & AidenMatthew
Boy
Ireland
little fire
#838
Aidanjames
Cogan & Aidanjames
Boy
Ireland
Little fire and supplanter
#838
Bradan
Cogan & Bradan
Boy
Ireland
descendant of Bradan
#840
Gillen
Cogan & Gillen
Boy
Ireland
Servant; follower of St. Giolla
#851
Bridan
Cogan & Bridan
Boy
Ireland
One who is brave
#852
Eanna
Cogan & Eanna
Girl
Ireland
the divine, the holy
#856
Farran
Cogan & Farran
Girl
Ireland
From an English surname which was derived from Old French ferrant meaning "iron grey".
#856
Sullivan
Cogan & Sullivan
Boy
Ireland
From an Irish surname which was derived from Ó Súilleabháin meaning "descendant of Súilleabhán". The name Súilleabhán means "little dark eye" in Irish.
#358
Aishling
Cogan & Aishling
Girl
Ireland
dream, vision; poetic vision
#861
Keating
Cogan & Keating
Unisex
Ireland
descendant of Caointeach; little fire
#861
Gaelan
Cogan & Gaelan
Boy
Ireland
Generous
#862
Kearney
Cogan & Kearney
Unisex
Ireland
Descendant of Ciarán
#865
Brandan
Cogan & Brandan
Boy
Ireland
Prince; descendant of Brandubh
#867
Eammon
Cogan & Eammon
Boy
Ireland
Wealthy protector
#867
Seonna
Cogan & Seonna
Girl
Ireland
God is gracious
#869
Lhiam
Cogan & Lhiam
Boy
Ireland
A form of William
#880
Kieren
Cogan & Kieren
Unisex
Ireland
Little dark one
#882
Korri
Cogan & Korri
Girl
Ireland
from the hollow
#885
KIEVA
Cogan & KIEVA
Girl
Ireland
gentle; beautiful
#886
Keatin
Cogan & Keatin
Boy
Ireland
Derived from 'Catherine', meaning 'pure'.
#892
Donail
Cogan & Donail
Boy
Ireland
world ruler
#894
Aiddan
Cogan & Aiddan
Boy
Ireland
little fire; young warrior
#902
Lierin
Cogan & Lierin
Girl
Ireland
Lyric; a form of song
#904
Kellan
Cogan & Kellan
Boy
Ireland
slender, narrow
#905
Keenin
Cogan & Keenin
Boy
Ireland
ancient or old
#905
Macalla
Cogan & Macalla
Girl
Ireland
a place of abundance
#916
Ayleen
Cogan & Ayleen
Girl
Ireland
bright, shining light; pure, innocent
#917
Kiera
Cogan & Kiera
Girl
Ireland
little dark one
#919
Aelan
Cogan & Aelan
Girl
Ireland
noble or serene
#921
Sean
Cogan & Sean
Boy
Ireland
Anglicized form of SEÁN.
#427
SeanMichael
Cogan & SeanMichael
Boy
Ireland
Who is like God?
#931
Arinn
Cogan & Arinn
Girl
Ireland
A variant of the name 'Erin', which refers to 'Ireland'.
#933
Dellaney
Cogan & Dellaney
Girl
Ireland
from the river valley
#933
Seann
Cogan & Seann
Boy
Ireland
God is gracious
#939
Falan
Cogan & Falan
Girl
Ireland
little bird
#944
Iean
Cogan & Iean
Boy
Ireland
God is gracious
#944
KevinMatthew
Cogan & KevinMatthew
Boy
Ireland
handsome beloved
#946
Shanade
Cogan & Shanade
Girl
Ireland
a combination of 'shana' (old) and 'de' (of)
#946
Broedy
Cogan & Broedy
Boy
Ireland
Ditch or muddy place
#952
Karrick
Cogan & Karrick
Boy
Ireland
Little and dark
#952
Keetan
Cogan & Keetan
Boy
Ireland
little cat
#955
Eillie
Cogan & Eillie
Girl
Ireland
Bringer of light
#956
Kaitin
Cogan & Kaitin
Girl
Ireland
Irish
#957
Dannan
Cogan & Dannan
Girl
Ireland
Little fire
#962
Shauna
Cogan & Shauna
Girl
Ireland
God is gracious
#962
Branoon
Cogan & Branoon
Boy
Ireland
descendant of Bran or raven
#968
Donovan
Cogan & Donovan
Boy
Ireland
dark warrior
#468
Morrighan
Cogan & Morrighan
Girl
Ireland
great queen
#980
McKeever
Cogan & McKeever
Boy
Ireland
son of the descendant of Caomhán
#981
Keiven
Cogan & Keiven
Boy
Ireland
handsome; beautiful
#984
Parick
Cogan & Parick
Boy
Ireland
Nobleman or aristocrat
#985
Keri
Cogan & Keri
Girl
Ireland
little dark one
#986
Finnegan
Cogan & Finnegan
Boy
Ireland
descendant of the fair one
#490
Tierni
Cogan & Tierni
Girl
Ireland
little land owner, land estate
#992
Kiva
Cogan & Kiva
Girl
Ireland
Hollow or a type of traditional stone house
#994
Kegan
Cogan & Kegan
Boy
Ireland
Variant of KEEGAN.
#997
Keivin
Cogan & Keivin
Boy
Ireland
handsome, beloved
#1000
Biranna
Cogan & Biranna
Girl
Ireland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Cogan & Meada
Girl
Ireland
a strong one; a warrior
#504
Killean
Cogan & Killean
Boy
Ireland
Slender or narrow
#505
Erris
Cogan & Erris
Boy
Ireland
From the ridge.
#506
Robann
Cogan & Robann
Girl
Ireland
fame; bright; radiant
#507
Dohnovan
Cogan & Dohnovan
Boy
Ireland
Dark warrior
Hannon
Cogan & Hannon
Unisex
Ireland
descendant of the handsome one
Kinney
Cogan & Kinney
Boy
Ireland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510
Dublyn
Cogan & Dublyn
Girl
Ireland
Black pool
Finlea
Cogan & Finlea
Girl
Ireland
fair-haired hero
Michealene
Cogan & Michealene
Girl
Ireland
Who is like God?
#516
Graidys
Cogan & Graidys
Girl
Ireland
Derived from Gráinne, meaning 'love' or 'grace'.
Murphy
Cogan & Murphy
Unisex
Ireland
Sea warrior
#519
Dooley
Cogan & Dooley
Boy
Ireland
Defender
Tarin
Cogan & Tarin
Unisex
Ireland
a variant of the name Tara
Brennan
Cogan & Brennan
Boy
Ireland
Descendant of Braonán; 'Descendant of the sad one'.
Esker
Cogan & Esker
Boy
Ireland
a watercourse, or a river terrace
#525
Gaelen
Cogan & Gaelen
Boy
Ireland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528
Ivor
Cogan & Ivor
Boy
Ireland
Yew tree
#529
Maigan
Cogan & Maigan
Girl
Ireland
A variant of Megan, meaning 'little pearl'.
Deirra
Cogan & Deirra
Girl
Ireland
Sorrowful
Gráinne
Cogan & Gráinne
Girl
Ireland
grain, love
#533
Donahue
Cogan & Donahue
Boy
Ireland
Descendant of Donnchadh, meaning 'brown warrior'.
#534
Nevan
Cogan & Nevan
Boy
Ireland
Anglicized form of NAOMHÁN.
Fionnula
Cogan & Fionnula
Girl
Ireland
White shoulder
#538
Kathleen
Cogan & Kathleen
Girl
Ireland
Anglicized form of CAITLÍN.
#540
Deidri
Cogan & Deidri
Girl
Ireland
Sorrowful, wailing
#542
SeanPatrick
Cogan & SeanPatrick
Boy
Ireland
God is gracious; nobleman
Brannick
Cogan & Brannick
Boy
Ireland
Descendant of Bran
#547
Noleen
Cogan & Noleen
Girl
Ireland
Famous, noble
#547
Shaughn
Cogan & Shaughn
Boy
Ireland
God is gracious
Donard
Cogan & Donard
Boy
Ireland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548
Dinean
Cogan & Dinean
Girl
Ireland
The name is derived from the word 'dín', meaning 'fortress'.
#549
Quinnell
Cogan & Quinnell
Boy
Ireland
descendant of Caoinheal
Desmund
Cogan & Desmund
Boy
Ireland
A variant of the name Desmond, derived from the name of a historical kingdom in southwestern Ireland.
Devann
Cogan & Devann
Girl
Ireland
Irish
Kerron
Cogan & Kerron
Boy
Ireland
dark or black
O'Conner
Cogan & O'Conner
Boy
Ireland
A beloved name with deep roots
#552
Quinnlan
Cogan & Quinnlan
Unisex
Ireland
descendant of Caoinlean
Draiven
Cogan & Draiven
Boy
Ireland
brave, strong; dear one
Daidre
Cogan & Daidre
Girl
Ireland
mortal, broken-hearted
Deiren
Cogan & Deiren
Boy
Ireland
Sorrowful; from the sea
#576
Aiedan
Cogan & Aiedan
Boy
Ireland
little fire
McCai
Cogan & McCai
Boy
Ireland
A beloved name with deep roots
Ethna
Cogan & Ethna
Girl
Ireland
little fire
#587
Dempsy
Cogan & Dempsy
Boy
Ireland
A beloved name with deep roots
#588