Best Sibling Names for Cassidy
Names chosen to complement Cassidy — matching origin (Ireland), era, and style.
200 options200 girl29 boy
These sibling names share Cassidy's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Cassidy & Nora
GirlIreland
honor
#24 →
Riley
Cassidy & 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 →
Quinn
Cassidy & Quinn
GirlIreland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86 →
Sloane
Cassidy & Sloane
GirlIreland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151 ↑
Brianna
Cassidy & Brianna
GirlIreland
Variant of BRIANA.
#152 →
Reagan
Cassidy & Reagan
GirlIreland
Descendant of Riagán
#168 ↓
Delaney
Cassidy & Delaney
GirlIreland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233 ↑
Teagan
Cassidy & Teagan
UnisexIreland
Attractive, beautiful
#309 ↓
McKenna
Cassidy & McKenna
GirlIreland
descendant of the headstrong one
#326 ↓
Briana
Cassidy & 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 ↑
Shavaun
Cassidy & Shavaun
GirlIreland
From the -shawn family of names
#500 →
Fionnula
Cassidy & Fionnula
GirlIreland
White shoulder
#538 →
Blaney
Cassidy & Blaney
UnisexIreland
daughter of the river
#541 →
Mainhia
Cassidy & Mainhia
GirlIreland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543 →
Breannon
Cassidy & Breannon
GirlIreland
descendant of Braonán
#544 →
Kieley
Cassidy & Kieley
GirlIreland
slender, beautiful
#547 →
Siohban
Cassidy & Siohban
GirlIreland
God is gracious.
#560 →
Shevaun
Cassidy & Shevaun
GirlIreland
Anglicized form of SIOBHÁN.
#561 →
Rielley
Cassidy & Rielley
GirlIreland
descendant of the red-haired one
#567 →
Shivon
Cassidy & Shivon
GirlIreland
God is gracious
#569 →
Maeve
Cassidy & Maeve
GirlIreland
Intoxicating.
#73 ↑
Meaghann
Cassidy & Meaghann
GirlIreland
pearl
#579 →
Neana
Cassidy & Neana
GirlIreland
Word derived from the Irish term for 'little girl'.
#582 →
Kerlin
Cassidy & Kerlin
GirlIreland
Little dark one.
#586 →
Kevina
Cassidy & Kevina
GirlIreland
Gentle, beautiful; Crowned with beauty
#594 →
Aylish
Cassidy & Aylish
GirlIreland
Derived from 'Ailis,' meaning noble or kind
#611 →
Grainne
Cassidy & Grainne
GirlIreland
Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')
#615 →
Kayleigh
Cassidy & Kayleigh
GirlIreland
Variant of KAYLEE. This is also a common Anglicized form of the Gaelic word ceilidh, a traditional social gathering and dance.
#631 ↓
Shealan
Cassidy & Shealan
GirlIreland
from the fairy palace; blessed by good fortune
#634 →
Bronagh
Cassidy & Bronagh
GirlIreland
sorrowful, sad
#646 →
Erin
Cassidy & Erin
GirlIreland
Anglicized form of EIREANN. It has been used as a given name since the middle of the 20th century.
#653 ↓
Shivonne
Cassidy & Shivonne
GirlIreland
God is gracious
#665 →
Sheriden
Cassidy & Sheriden
GirlIreland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671 →
Maeghan
Cassidy & Maeghan
GirlIreland
Variant of MEGAN.
#685 →
Fallon
Cassidy & 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 ↑
Sloan
Cassidy & Sloan
UnisexIreland
soughing or tranquil river
#689 ↓
Eaden
Cassidy & Eaden
UnisexIreland
little fire
#706 →
Muireann
Cassidy & Muireann
GirlIreland
Sea White
#707 →
Kiley
Cassidy & Kiley
GirlIreland
Variant of KYLIE.
#709 →
Rianah
Cassidy & Rianah
GirlIreland
little king; queen
#729 →
Keavy
Cassidy & Keavy
GirlIreland
Anglicized form of CAOIMHE.
#730 →
Shaylin
Cassidy & Shaylin
GirlIreland
From the fairy palace.; A variant of the name Shailene.
#731 →
Erine
Cassidy & Erine
GirlIreland
peace
#735 →
Tierney
Cassidy & Tierney
GirlIreland
lord / landowner
#740 →
Shanny
Cassidy & Shanny
GirlIreland
from the old oak tree
#741 →
Rory
Cassidy & Rory
UnisexIreland
red king
#242 ↑
Kahlen
Cassidy & Kahlen
UnisexIreland
Pure, slender
#745 →
Meagan
Cassidy & Meagan
GirlIreland
Pearl
#747 →
Naileen
Cassidy & Naileen
GirlIreland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751 →
Keaire
Cassidy & Keaire
UnisexIreland
Dark-haired
#760 →
Rheann
Cassidy & Rheann
GirlIreland
Great queen or goddess
#768 →
Shioban
Cassidy & Shioban
GirlIreland
God is gracious
#781 →
Kelty
Cassidy & Kelty
GirlIreland
from the narrow wood; dweller near the woods
#793 →
Bhrianna
Cassidy & Bhrianna
GirlIreland
exalted; noble
#796 →
Ashlyn
Cassidy & Ashlyn
GirlIreland
Dream; vision
#831 ↓
Eanna
Cassidy & Eanna
GirlIreland
the divine, the holy
#856 →
Farran
Cassidy & Farran
GirlIreland
From an English surname which was derived from Old French ferrant meaning "iron grey".
#856 →
Aishling
Cassidy & Aishling
GirlIreland
dream, vision; poetic vision
#861 →
Keating
Cassidy & Keating
UnisexIreland
descendant of Caointeach; little fire
#861 →
Kearney
Cassidy & Kearney
UnisexIreland
Descendant of Ciarán
#865 →
Seonna
Cassidy & Seonna
GirlIreland
God is gracious
#869 →
Kieren
Cassidy & Kieren
UnisexIreland
Little dark one
#882 →
Eava
Cassidy & Eava
GirlIreland
beautiful, radiant
#884 →
Lierin
Cassidy & Lierin
GirlIreland
Lyric; a form of song
#904 →
Macalla
Cassidy & Macalla
GirlIreland
a place of abundance
#916 →
Ayleen
Cassidy & Ayleen
GirlIreland
bright, shining light; pure, innocent
#917 →
Kiera
Cassidy & Kiera
GirlIreland
little dark one
#919 →
Aelan
Cassidy & Aelan
GirlIreland
noble or serene
#921 →
Arinn
Cassidy & Arinn
GirlIreland
A variant of the name 'Erin', which refers to 'Ireland'.
#933 →
Dellaney
Cassidy & Dellaney
GirlIreland
from the river valley
#933 →
Falan
Cassidy & Falan
GirlIreland
little bird
#944 →
Shanade
Cassidy & Shanade
GirlIreland
a combination of 'shana' (old) and 'de' (of)
#946 →
Eillie
Cassidy & Eillie
GirlIreland
Bringer of light
#956 →
Kaitin
Cassidy & Kaitin
GirlIreland
Irish
#957 →
Dannan
Cassidy & Dannan
GirlIreland
Little fire
#962 →
Shauna
Cassidy & Shauna
GirlIreland
God is gracious
#962 →
Morrighan
Cassidy & Morrighan
GirlIreland
great queen
#980 →
Tierni
Cassidy & Tierni
GirlIreland
little land owner, land estate
#992 →
Biranna
Cassidy & Biranna
GirlIreland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Cassidy & Meada
GirlIreland
a strong one; a warrior
#504 →
Robann
Cassidy & Robann
GirlIreland
fame; bright; radiant
#507 →
Hannon
Cassidy & Hannon
UnisexIreland
descendant of the handsome one
Dublyn
Cassidy & Dublyn
GirlIreland
Black pool
Finlea
Cassidy & Finlea
GirlIreland
fair-haired hero
Michealene
Cassidy & Michealene
GirlIreland
Who is like God?
#516 →
Graidys
Cassidy & Graidys
GirlIreland
Derived from Gráinne, meaning 'love' or 'grace'.
Murphy
Cassidy & Murphy
UnisexIreland
Sea warrior
#519 ↑
Tarin
Cassidy & Tarin
UnisexIreland
a variant of the name Tara
Maigan
Cassidy & Maigan
GirlIreland
A variant of Megan, meaning 'little pearl'.
Deirra
Cassidy & Deirra
GirlIreland
Sorrowful
Gráinne
Cassidy & Gráinne
GirlIreland
grain, love
#533 →
Teighan
Cassidy & Teighan
GirlIreland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Kathleen
Cassidy & Kathleen
GirlIreland
Anglicized form of CAITLÍN.
#540 →
Deidri
Cassidy & Deidri
GirlIreland
Sorrowful, wailing
#542 →
Noleen
Cassidy & Noleen
GirlIreland
Famous, noble
#547 →
Dinean
Cassidy & Dinean
GirlIreland
The name is derived from the word 'dín', meaning 'fortress'.
#549 →
Devann
Cassidy & Devann
GirlIreland
Irish
Quinnlan
Cassidy & Quinnlan
UnisexIreland
descendant of Caoinlean
Daidre
Cassidy & Daidre
GirlIreland
mortal, broken-hearted
Ethna
Cassidy & Ethna
GirlIreland
little fire
#587 →
Wileen
Cassidy & Wileen
GirlIreland
delicate
#591 →
Ailse
Cassidy & Ailse
GirlIreland
Noble
#597 →
Keaghan
Cassidy & Keaghan
UnisexIreland
Descendant of Caodhán.
Kathlean
Cassidy & Kathlean
GirlIreland
pure
#608 →
Faylin
Cassidy & Faylin
GirlIreland
little fairy
Beanna
Cassidy & Beanna
GirlIreland
blessed, holy
#626 →
Abaigeal
Cassidy & Abaigeal
GirlIreland
A variant of Abigail, meaning 'father's joy'.
Tierna
Cassidy & Tierna
GirlIreland
little land
Brieona
Cassidy & Brieona
GirlIreland
Noble
Orla
Cassidy & Orla
UnisexIreland
Meaning 'golden princess'.
#647 →
Dennine
Cassidy & Dennine
GirlIreland
little brown one
#650 →
Kerrian
Cassidy & Kerrian
GirlIreland
descendant of Ciardha
Shiobhan
Cassidy & Shiobhan
GirlIreland
Derived from the name Siobhán, meaning 'God is gracious'.
#662 →
Siovhan
Cassidy & Siovhan
GirlIreland
God is gracious.
Triona
Cassidy & Triona
GirlIreland
Derived from the Irish word 'tríona', meaning 'third', but often connected to the name of the goddess associated with th
Marcail
Cassidy & Marcail
GirlIreland
sword
Murtha
Cassidy & Murtha
UnisexIreland
sea warrior
#672 →
Trionna
Cassidy & Trionna
GirlIreland
town dweller
Kathleeen
Cassidy & Kathleeen
GirlIreland
Irish
#675 →
Iseult
Cassidy & Iseult
GirlIreland
contrast, radiant
Rian
Cassidy & Rian
UnisexIreland
little king
Mackenna
Cassidy & Mackenna
GirlIreland
son of the hero
Mariellen
Cassidy & Mariellen
GirlIreland
sea of bitterness
#697 →
Dierdre
Cassidy & Dierdre
GirlIreland
sorrow, broken-hearted
#698 →
Shenan
Cassidy & Shenan
UnisexIreland
Derived from 'sionnach,' meaning 'fox'
#702 →
Ellen
Cassidy & Ellen
GirlIreland
Light, torch, bright one
#726 →
Kerin
Cassidy & Kerin
UnisexIreland
little dark one
#732 →
Brannigan
Cassidy & Brannigan
UnisexIreland
descendant of Bran
Nola
Cassidy & Nola
GirlIreland
Famous; from the place of the fair; known
#740 ↓
Riayn
Cassidy & Riayn
GirlIreland
little king
Thada
Cassidy & Thada
GirlIreland
Brave
#742 →
Dorra
Cassidy & Dorra
GirlIreland
Sister, friend; Gift
#749 →
Greidy
Cassidy & Greidy
GirlIreland
Noble or majestic
Keelia
Cassidy & Keelia
GirlIreland
slender, slender one
Kilie
Cassidy & Kilie
GirlIreland
slender, fair
Eibhlin
Cassidy & Eibhlin
GirlIreland
desired; longed for
norinne
Cassidy & norinne
GirlIreland
light, bright
#763 →
Rreanna
Cassidy & Rreanna
GirlIreland
Little queen
Shaughnessy
Cassidy & Shaughnessy
GirlIreland
from the fort of the deer.
Dolline
Cassidy & Dolline
GirlIreland
Dark haired
#765 →
Maireli
Cassidy & Maireli
GirlIreland
Bitter
Mayher
Cassidy & Mayher
GirlIreland
derived from the word 'maith,' meaning good or virtuous
Seaneen
Cassidy & Seaneen
GirlIreland
a variant of Sinead or Jane
#787 →
Aibhilin
Cassidy & Aibhilin
GirlIreland
Little Eve
Aileen
Cassidy & Aileen
GirlIreland
Noble, bright; the radiant one.
#798 ↓
Doyla
Cassidy & Doyla
GirlIreland
Dark-haired; a descendant of the dark one
#800 →
Kaitlin
Cassidy & Kaitlin
GirlIreland
Pure, clear
Irelan
Cassidy & Irelan
GirlIreland
from the land of the Irish
Donie
Cassidy & Donie
GirlIreland
Dark-haired
#815 →
Healy
Cassidy & Healy
GirlIreland
Descendant of the noble one
Fiana
Cassidy & Fiana
GirlIreland
fair, white
Briena
Cassidy & Briena
GirlIreland
Strong and virtuous
Meagin
Cassidy & Meagin
GirlIreland
meaning 'gift' or 'blessing'
Immogene
Cassidy & Immogene
GirlIreland
noble, kind
#830 →
Kealy
Cassidy & Kealy
GirlIreland
Slender
Kierney
Cassidy & Kierney
GirlIreland
Descendant of Ciarán
Katheen
Cassidy & Katheen
GirlIreland
pure, clear
#835 →
Biddy
Cassidy & Biddy
GirlIreland
Diminutive of BRIDGET.
#839 →
Dineen
Cassidy & Dineen
GirlIreland
descendant of Dineen, meaning 'little black one' or 'dark.'
#840 →
Sheona
Cassidy & Sheona
GirlIreland
God is gracious
Benet
Cassidy & Benet
UnisexIreland
blessed; well-born
Shelagh
Cassidy & Shelagh
GirlIreland
From the islet by the river
#857 →
Keaghlan
Cassidy & Keaghlan
GirlIreland
Descendant of Ceaghal; probably derived from 'Keagh' meaning 'spear'.
Neasa
Cassidy & Neasa
GirlIreland
Meaning uncertain. In Irish legend she was the mother of Conchobhar, king of Ulster.
Meagen
Cassidy & Meagen
GirlIreland
pearl
Aislinn
Cassidy & Aislinn
GirlIreland
dream, vision
Michaleen
Cassidy & Michaleen
GirlIreland
A form of the name Michael, meaning 'who is like God?'
#879 →
Shaelin
Cassidy & Shaelin
GirlIreland
Slender.
Korri
Cassidy & Korri
GirlIreland
from the hollow
#885 →
Eibhleann
Cassidy & Eibhleann
GirlIreland
radiant, beautiful spirit
KIEVA
Cassidy & KIEVA
GirlIreland
gentle; beautiful
#886 →
Eithne
Cassidy & Eithne
GirlIreland
kernel, grain, or little fire
Briona
Cassidy & Briona
GirlIreland
High, noble
Eilise
Cassidy & Eilise
GirlIreland
God is my oath
Teirney
Cassidy & Teirney
GirlIreland
derived from the Irish surname O'Teairnfhiodh
Shinead
Cassidy & Shinead
GirlIreland
sight, with a beauty that is radiant
Deise
Cassidy & Deise
GirlIreland
Deise is derived from the word 'Deiscirt,' meaning 'south' in Irish, and refers to the southern portion of Ireland.
Maigon
Cassidy & Maigon
GirlIreland
Gaelic
Breonah
Cassidy & Breonah
GirlIreland
A strong woman
Sinea
Cassidy & Sinea
GirlIreland
An unimaginative and common person's name
Aeleen
Cassidy & Aeleen
GirlIreland
Bright, shining light
Kerrin
Cassidy & Kerrin
GirlIreland
descendant of Ciardha; dark
#943 →
Mairenn
Cassidy & Mairenn
GirlIreland
Of the sea
Marrin
Cassidy & Marrin
UnisexIreland
sea circle
Kaegan
Cassidy & Kaegan
UnisexIreland
descendant of the fiery one
Bridey
Cassidy & Bridey
GirlIreland
strong, exalted
#953 →
Shanne
Cassidy & Shanne
UnisexIreland
The Goddess of the Moon
#954 →
Saoirse
Cassidy & Saoirse
GirlIreland
Freedom
#959 ↓
Shaleigh
Cassidy & Shaleigh
GirlIreland
Irish
Donnamarie
Cassidy & Donnamarie
GirlIreland
noble woman
#963 →
Katlin
Cassidy & Katlin
GirlIreland
pure; derived from Katherine
Keeghan
Cassidy & Keeghan
UnisexIreland
Descendant of Caodhgan
Biddie
Cassidy & Biddie
GirlIreland
exalted one
#984 →
Bridgitte
Cassidy & Bridgitte
GirlIreland
Exalted one.
#985 →
Keri
Cassidy & Keri
GirlIreland
little dark one
#986 →
Morrissey
Cassidy & Morrissey
UnisexIreland
descendant of the sea
Kiare
Cassidy & Kiare
UnisexIreland
dark-haired
Kiva
Cassidy & Kiva
GirlIreland
Hollow or a type of traditional stone house
#994 →
Shay
Cassidy & Shay
UnisexIreland
admirable, hawk
#999 ↑
Deardra
Cassidy & Deardra
GirlIreland
Sorrowful; broken-hearted