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