Best Sibling Names for Riordan
Names chosen to complement Riordan — matching origin (Ireland), era, and style.
200 options98 girl117 boy
These sibling names share Riordan's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.
Nora
Riordan & Nora
GirlIreland
honor
#24 →
Nolan
Riordan & Nolan
BoyIreland
Noble, famous
#57 →
Maeve
Riordan & Maeve
GirlIreland
Intoxicating.
#73 ↑
Quinn
Riordan & Quinn
GirlIreland
From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".
#86 →
Declan
Riordan & Declan
BoyIreland
Anglicized form of Irish Deaglán, which is of unknown meaning. Saint Declan was a 5th-century missionary to Ireland.
#132 ↓
Sloane
Riordan & Sloane
GirlIreland
From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.
#151 ↑
Brianna
Riordan & Brianna
GirlIreland
Variant of BRIANA.
#152 →
Finn
Riordan & Finn
BoyIreland
fair, white
#186 →
Brody
Riordan & Brody
BoyIreland
ditch, muddy place
#204 ↓
Delaney
Riordan & Delaney
GirlIreland
From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).
#233 ↑
Aidan
Riordan & Aidan
BoyIreland
Little fire
#300 ↓
Teagan
Riordan & Teagan
UnisexIreland
Attractive, beautiful
#309 ↓
McKenna
Riordan & McKenna
GirlIreland
descendant of the headstrong one
#326 ↓
Sullivan
Riordan & 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 ↑
Desmond
Riordan & Desmond
BoyIreland
From the grassland village
#399 ↓
Callahan
Riordan & Callahan
UnisexIreland
little bright-headed
#460 ↑
Briana
Riordan & 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
Riordan & Kieran
BoyIreland
Little dark one
#477 →
Finnegan
Riordan & Finnegan
BoyIreland
descendant of the fair one
#490 ↓
Cassidy
Riordan & Cassidy
GirlIreland
From an Irish surname which was derived from Ó Caiside meaning "descendant of CAISIDE".
#496 ↓
Daigan
Riordan & Daigan
BoyIreland
sorrow or difficulty
#502 →
Killean
Riordan & Killean
BoyIreland
Slender or narrow
#505 →
Murphy
Riordan & Murphy
UnisexIreland
Sea warrior
#519 ↑
Cianan
Riordan & Cianan
BoyIreland
Ancient; a descendant of Cian.
#522 →
Coner
Riordan & Coner
BoyIreland
a variation of the name Connor
#531 →
Drennan
Riordan & Drennan
BoyIreland
Descendant of Dreánán
#533 →
Gráinne
Riordan & Gráinne
GirlIreland
grain, love
#533 →
Fionnula
Riordan & Fionnula
GirlIreland
White shoulder
#538 →
Correena
Riordan & Correena
GirlIreland
maiden
#539 →
Blaney
Riordan & Blaney
UnisexIreland
daughter of the river
#541 →
Cian
Riordan & Cian
BoyIreland
Means "ancient" in Gaelic. This was the name of the mythical ancestor of the Cianachta in Irish legend. Cian was also the name of a son-in-law of Brian Boru.
#542 →
Aidann
Riordan & Aidann
BoyIreland
little fire
#543 →
Brannick
Riordan & Brannick
BoyIreland
Descendant of Bran
#547 →
Denin
Riordan & Denin
BoyIreland
Defender; Descendant of Donn
#547 →
Kieley
Riordan & Kieley
GirlIreland
slender, beautiful
#547 →
O'Conner
Riordan & O'Conner
BoyIreland
A beloved name with deep roots
#552 →
Covan
Riordan & Covan
BoyIreland
young warrior
#566 →
Caelon
Riordan & Caelon
BoyIreland
Slender; slim
#575 →
Deiren
Riordan & Deiren
BoyIreland
Sorrowful; from the sea
#576 →
Kerlin
Riordan & Kerlin
GirlIreland
Little dark one.
#586 →
Tieg
Riordan & Tieg
BoyIreland
a poetic form of the word 'tadhg', meaning 'poet' or 'philosopher'
#588 →
Dregan
Riordan & Dregan
BoyIreland
Little druid
#592 →
Cillian
Riordan & Cillian
BoyIreland
warrior
#594 ↑
Caelen
Riordan & Caelen
BoyIreland
Irish
#594 →
Kevina
Riordan & Kevina
GirlIreland
Gentle, beautiful; Crowned with beauty
#594 →
Ailse
Riordan & Ailse
GirlIreland
Noble
#597 →
Gael
Riordan & Gael
BoyIreland
a Gael, a person of Gaelic origin; a reference to 'Gale', meaning cheerful or merry
#99 ↑
Keilan
Riordan & Keilan
BoyIreland
Narrow or skinny; Slender or thin
#603 →
Aylish
Riordan & Aylish
GirlIreland
Derived from 'Ailis,' meaning noble or kind
#611 →
Coilin
Riordan & Coilin
BoyIreland
from 'Caolán', meaning 'slender' or 'narrow'
#612 →
Padrick
Riordan & Padrick
BoyIreland
Noble, patrician
#614 →
Conor
Riordan & Conor
BoyIreland
lover of hound
#623 ↓
Donovann
Riordan & Donovann
BoyIreland
Dark warrior
#624 →
Connor
Riordan & Connor
BoyIreland
lover of hounds
#126 ↓
Keegan
Riordan & Keegan
BoyIreland
descendant of Caodhán
#627 ↓
Brennick
Riordan & Brennick
BoyIreland
Descendant of Braonán
#630 →
Kayleigh
Riordan & 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
Riordan & Shealan
GirlIreland
from the fairy palace; blessed by good fortune
#634 →
Cailin
Riordan & Cailin
GirlIreland
Variant of KAYLYN. It also coincides with the Irish word cailín meaning "girl".
#642 →
Madden
Riordan & Madden
BoyIreland
Little dog
#645 ↑
Bronagh
Riordan & Bronagh
GirlIreland
sorrowful, sad
#646 →
Faelan
Riordan & Faelan
BoyIreland
little wolf
#648 →
Caitlyne
Riordan & Caitlyne
GirlIreland
pure
#665 →
Sheriden
Riordan & Sheriden
GirlIreland
from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'
#671 →
Clover
Riordan & Clover
GirlIreland
A flowering plant that symbolizes good luck.
#672 ↑
Corrah
Riordan & Corrah
GirlIreland
Heart or a beloved
#682 →
Keedan
Riordan & Keedan
BoyIreland
a descendant of Caedán
#682 →
Sloan
Riordan & Sloan
UnisexIreland
soughing or tranquil river
#689 ↓
Cleary
Riordan & Cleary
UnisexIreland
Descendant of the cleric
#694 →
Aaidan
Riordan & Aaidan
BoyIreland
little fire
#695 →
Kielin
Riordan & Kielin
BoyIreland
Slender, Fair
#704 →
Eaden
Riordan & Eaden
UnisexIreland
little fire
#706 →
Muireann
Riordan & Muireann
GirlIreland
Sea White
#707 →
Kiley
Riordan & Kiley
GirlIreland
Variant of KYLIE.
#709 →
Nigíl
Riordan & Nigíl
BoyIreland
Champion
#709 →
Oscar
Riordan & Oscar
BoyIreland
deer lover
#216 →
Patrick
Riordan & 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 →
Aidrian
Riordan & Aidrian
BoyIreland
From the sea
#730 →
Keavy
Riordan & Keavy
GirlIreland
Anglicized form of CAOIMHE.
#730 →
Shaylin
Riordan & Shaylin
GirlIreland
From the fairy palace.; A variant of the name Shailene.
#731 →
Teige
Riordan & Teige
BoyIreland
Folk name meaning 'poet', a diminutive of the name Tadhg.
#736 →
Tierney
Riordan & Tierney
GirlIreland
lord / landowner
#740 →
Kahlen
Riordan & Kahlen
UnisexIreland
Pure, slender
#745 →
Naileen
Riordan & Naileen
GirlIreland
A combination of the name Niamh and the root -leen, suggesting brightness and radiance.
#751 →
Loagan
Riordan & Loagan
BoyIreland
descendant of the warrior
#764 →
Flynn
Riordan & Flynn
BoyIreland
descendant of the red-haired one
#782 ↓
McCord
Riordan & McCord
BoyIreland
Son of the cord or rope maker; also, a surname that has become popular as a first name.
#790 →
Kelty
Riordan & Kelty
GirlIreland
from the narrow wood; dweller near the woods
#793 →
Tyghe
Riordan & Tyghe
BoyIreland
Derived from 'Tadhg', meaning 'poet' or 'philosopher'.
#795 →
Bhrianna
Riordan & Bhrianna
GirlIreland
exalted; noble
#796 →
Phinn
Riordan & Phinn
BoyIreland
white, fair
#796 →
Caragan
Riordan & Caragan
GirlIreland
little heart
#801 →
Aeden
Riordan & Aeden
BoyIreland
little fire
#805 →
Brian
Riordan & Brian
BoyIreland
noble, strong
#317 ↓
Ashlyn
Riordan & Ashlyn
GirlIreland
Dream; vision
#831 ↓
AidanJohn
Riordan & AidanJohn
BoyIreland
little fire; God is gracious
#832 →
AidenMatthew
Riordan & AidenMatthew
BoyIreland
little fire
#838 →
Aidanjames
Riordan & Aidanjames
BoyIreland
Little fire and supplanter
#838 →
Callan
Riordan & Callan
UnisexIreland
Rocky place
#339 ↑
Bradan
Riordan & Bradan
BoyIreland
descendant of Bradan
#840 →
Cassady
Riordan & Cassady
GirlIreland
Descendant of the warriors; the brave one.
#844 →
Noelan
Riordan & Noelan
BoyIreland
Noble one
#845 →
Bridan
Riordan & Bridan
BoyIreland
One who is brave
#852 →
Eanna
Riordan & Eanna
GirlIreland
the divine, the holy
#856 →
Eeán
Riordan & Eeán
BoyIreland
gift of God
#857 →
Keating
Riordan & Keating
UnisexIreland
descendant of Caointeach; little fire
#861 →
Cogan
Riordan & Cogan
BoyIreland
descendant of the marsh
#864 →
Kearney
Riordan & Kearney
UnisexIreland
Descendant of Ciarán
#865 →
Eammon
Riordan & Eammon
BoyIreland
Wealthy protector
#867 →
Seonna
Riordan & Seonna
GirlIreland
God is gracious
#869 →
Lhiam
Riordan & Lhiam
BoyIreland
A form of William
#880 →
Kieren
Riordan & Kieren
UnisexIreland
Little dark one
#882 →
Eava
Riordan & Eava
GirlIreland
beautiful, radiant
#884 →
Keatin
Riordan & Keatin
BoyIreland
Derived from 'Catherine', meaning 'pure'.
#892 →
Aiddan
Riordan & Aiddan
BoyIreland
little fire; young warrior
#902 →
Kellan
Riordan & Kellan
BoyIreland
slender, narrow
#905 ↓
Keenin
Riordan & Keenin
BoyIreland
ancient or old
#905 →
Macalla
Riordan & Macalla
GirlIreland
a place of abundance
#916 →
Ayleen
Riordan & Ayleen
GirlIreland
bright, shining light; pure, innocent
#917 →
Kiera
Riordan & Kiera
GirlIreland
little dark one
#919 →
Aelan
Riordan & Aelan
GirlIreland
noble or serene
#921 →
Sean
Riordan & Sean
BoyIreland
Anglicized form of SEÁN.
#427 ↓
Dellaney
Riordan & Dellaney
GirlIreland
from the river valley
#933 →
Connar
Riordan & Connar
BoyIreland
intrapreneur
#937 →
Cullyn
Riordan & Cullyn
BoyIreland
cub or pup
#944 →
Iean
Riordan & Iean
BoyIreland
God is gracious
#944 →
Broedy
Riordan & Broedy
BoyIreland
Ditch or muddy place
#952 →
Karrick
Riordan & Karrick
BoyIreland
Little and dark
#952 →
Keetan
Riordan & Keetan
BoyIreland
little cat
#955 →
Eillie
Riordan & Eillie
GirlIreland
Bringer of light
#956 →
Kaitin
Riordan & Kaitin
GirlIreland
Irish
#957 →
Liiam
Riordan & Liiam
BoyIreland
strong-willed warrior
#957 →
Saoirse
Riordan & Saoirse
GirlIreland
Freedom
#959 ↓
Caitlinn
Riordan & Caitlinn
GirlIreland
Irish
#961 →
Dannan
Riordan & Dannan
GirlIreland
Little fire
#962 →
Ciara
Riordan & Ciara
GirlIreland
Dark, black, or black-haired
#966 →
Caoilinn
Riordan & Caoilinn
GirlIreland
Variant of CAOILFHIONN.
#967 →
Donovan
Riordan & Donovan
BoyIreland
dark warrior
#468 ↓
McCoy
Riordan & McCoy
BoyIreland
son of the son of the captain
#973 ↑
Morrighan
Riordan & Morrighan
GirlIreland
great queen
#980 →
Tierni
Riordan & Tierni
GirlIreland
little land owner, land estate
#992 →
Cadden
Riordan & Cadden
BoyIreland
warrior
#993 →
Keivin
Riordan & Keivin
BoyIreland
handsome, beloved
#1000 →
Shavaun
Riordan & Shavaun
GirlIreland
From the -shawn family of names
#500 →
Biranna
Riordan & Biranna
GirlIreland
Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.
Meada
Riordan & Meada
GirlIreland
a strong one; a warrior
#504 →
Erris
Riordan & Erris
BoyIreland
From the ridge.
#506 →
Dohnovan
Riordan & Dohnovan
BoyIreland
Dark warrior
Kinney
Riordan & Kinney
BoyIreland
descendant of Caoinneach, meaning 'handsome' or 'attractive'
#510 →
Dublyn
Riordan & Dublyn
GirlIreland
Black pool
Finlea
Riordan & Finlea
GirlIreland
fair-haired hero
Michealene
Riordan & Michealene
GirlIreland
Who is like God?
#516 →
Graidys
Riordan & Graidys
GirlIreland
Derived from Gráinne, meaning 'love' or 'grace'.
Dooley
Riordan & Dooley
BoyIreland
Defender
Cathlina
Riordan & Cathlina
GirlIreland
pure; unsullied
Brennan
Riordan & Brennan
BoyIreland
Descendant of Braonán; 'Descendant of the sad one'.
Esker
Riordan & Esker
BoyIreland
a watercourse, or a river terrace
#525 →
Conell
Riordan & Conell
BoyIreland
Strong as a wolf
#528 →
Gaelen
Riordan & Gaelen
BoyIreland
A form of the name 'Gail', meaning 'joyful' or 'cheerful'.; Variant of 'Galen', meaning 'calm' or 'healer'.
#528 →
Ivor
Riordan & Ivor
BoyIreland
Yew tree
#529 →
Kilian
Riordan & Kilian
BoyIreland
German form and Irish and French variant of CILLIAN.
Deirra
Riordan & Deirra
GirlIreland
Sorrowful
Donahue
Riordan & Donahue
BoyIreland
Descendant of Donnchadh, meaning 'brown warrior'.
#534 →
Caullin
Riordan & Caullin
BoyIreland
A variant of the name Colin, which is derived from the Gaelic name ‘Cailean’ meaning ‘young pup’ or ‘whelp’.
Teighan
Riordan & Teighan
GirlIreland
Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.
Toltú
Riordan & Toltú
GirlIreland
One who brings peace.
Nevan
Riordan & Nevan
BoyIreland
Anglicized form of NAOMHÁN.
Kathleen
Riordan & Kathleen
GirlIreland
Anglicized form of CAITLÍN.
#540 →
Deidri
Riordan & Deidri
GirlIreland
Sorrowful, wailing
#542 →
Mainhia
Riordan & Mainhia
GirlIreland
tir na nognah, la tierra de la juventud (meaning: land of eternal youth)
#543 →
Breannon
Riordan & Breannon
GirlIreland
descendant of Braonán
#544 →
Cathlin
Riordan & Cathlin
GirlIreland
pure
#547 →
Noleen
Riordan & Noleen
GirlIreland
Famous, noble
#547 →
Donard
Riordan & Donard
BoyIreland
Donard is derived from the Irish name 'Donard', which means 'world ruler' or 'chief'.
#548 →
Dinean
Riordan & Dinean
GirlIreland
The name is derived from the word 'dín', meaning 'fortress'.
#549 →
Quinnell
Riordan & Quinnell
BoyIreland
descendant of Caoinheal
Quinnlan
Riordan & Quinnlan
UnisexIreland
descendant of Caoinlean
Nigell
Riordan & Nigell
BoyIreland
A variant of the name Nigel, derived from the Latin 'Nigellus', meaning 'little black one'.
#554 →
Cara
Riordan & Cara
GirlIreland
friend
#559 →
Siohban
Riordan & Siohban
GirlIreland
God is gracious.
#560 →
Shevaun
Riordan & Shevaun
GirlIreland
Anglicized form of SIOBHÁN.
#561 →
Draiven
Riordan & Draiven
BoyIreland
brave, strong; dear one
Ciarrah
Riordan & Ciarrah
GirlIreland
Little dark one
Shivon
Riordan & Shivon
GirlIreland
God is gracious
#569 →
Aiedan
Riordan & Aiedan
BoyIreland
little fire
Meaghann
Riordan & Meaghann
GirlIreland
pearl
#579 →
Neana
Riordan & Neana
GirlIreland
Word derived from the Irish term for 'little girl'.
#582 →
McCai
Riordan & McCai
BoyIreland
A beloved name with deep roots
Ethna
Riordan & Ethna
GirlIreland
little fire
#587 →
Dempsy
Riordan & Dempsy
BoyIreland
A beloved name with deep roots
#588 →
Wileen
Riordan & Wileen
GirlIreland
delicate
#591 →
Carven
Riordan & Carven
BoyIreland
A male who is a representative
#594 →
Channon
Riordan & Channon
UnisexIreland
little wolf
#595 →
Keaghan
Riordan & Keaghan
UnisexIreland
Descendant of Caodhán.
Caetlin
Riordan & Caetlin
GirlIreland
Variant of CAITLIN.
Kathlean
Riordan & Kathlean
GirlIreland
pure
#608 →
Killien
Riordan & Killien
BoyIreland
Little church.
Brekin
Riordan & Brekin
BoyIreland
freckled
Creedan
Riordan & Creedan
BoyIreland
A descendant of Recta.
Faylin
Riordan & Faylin
GirlIreland
little fairy