Best Sibling Names for Costello

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

200 options200 girl26 boy

These sibling names share Costello's Ireland roots or similar popularity era, and start with a different letter to avoid alliteration.

All Names Girl Names (200)Boy Names (26)

a strong one; a warrior

#504 →

Michealene

Costello & Michealene

Anglicized form of CAITLÍN.

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.

From an Irish surname, an Anglicized form of Ó Cuinn meaning "descendant of CONN".

From an Irish surname which was derived from an Anglicized form of the given name SLUAGHADHÁN.

Light, torch, bright one

From a surname: either the English surname DELANEY (1) or the Irish surname DELANEY (2).

Noble, bright; the radiant one.

Attractive, beautiful

descendant of the headstrong one

Diminutive of BRIDGET.

From the islet by the river

A form of the name Michael, meaning 'who is like God?'

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.

From the -shawn family of names

Sorrowful; broken-hearted

fame; bright; radiant

A form of the name Deirdre

daughter of the river

tir na nognah, la tierra de la juventud (meaning: land of eternal youth)

descendant of Braonán

The name is derived from the word 'dín', meaning 'fortress'.

Anglicized form of SIOBHÁN.

descendant of the red-haired one

Word derived from the Irish term for 'little girl'.

Gentle, beautiful; Crowned with beauty

The one who is born to the youth

Derived from 'Ailis,' meaning noble or kind

Goddess of Love, Love, or Grain (from 'gránn', meaning 'grain')

Anglicized form of MUIRNE.

Variant of KAYLEE. This is also a common Anglicized form of the Gaelic word ceilidh, a traditional social gathering and dance.

from the fairy palace; blessed by good fortune

Meaning 'golden princess'.

Anglicized form of EIREANN. It has been used as a given name since the middle of the 20th century.

Derived from the name Siobhán, meaning 'God is gracious'.

from the Gaelic 'Searraidhe,' meaning 'descendant of Searrat.'

#671 →

Kathleenmary

Costello & Kathleenmary

Girl

Ireland

pure; sea of bitterness

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'.

soughing or tranquil river

sorrow, broken-hearted

Derived from 'sionnach,' meaning 'fox'

Anglicized form of CAOIMHE.

From the fairy palace.; A variant of the name Shailene.

Famous; from the place of the fair; known

from the old oak tree

A combination of the name Niamh and the root -leen, suggesting brightness and radiance.

Great queen or goddess

a variant of Sinead or Jane

from the narrow wood; dweller near the woods

Dark-haired; a descendant of the dark one

descendant of Dineen, meaning 'little black one' or 'dark.'

derived from the name Deirdre, meaning 'sorrowful' or 'broken-hearted'

From an English surname which was derived from Old French ferrant meaning "iron grey".

dream, vision; poetic vision

descendant of Caointeach; little fire

Lyric; a form of song

bright, shining light

bright, shining light; pure, innocent

descendant of Suile; sorrowful

A variant of the name 'Erin', which refers to 'Ireland'.

from the river valley

descendant of Ciardha; dark

a combination of 'shana' (old) and 'de' (of)

A beloved name with deep roots

The Goddess of the Moon

Costello & Donnamarie

A variant of the name Doreen, rooted in 'Dorothy' meaning 'gift of God'.

little land owner, land estate

Hollow or a type of traditional stone house

Variant of 'Birn' or 'Birna' which means 'sea' or 'ocean'.

descendant of the handsome one

Derived from Gráinne, meaning 'love' or 'grace'.

From an English surname which was derived from Norman French d'Arcy, originally denoting one who came from Arcy in France. This was the surname of a character in Jane Austen's novel 'Pride and Prejudice' (1813).

a variant of the name Tara

The name is sometimes seen as a female form of Alan, meaning 'little rock'.

A variant of Megan, meaning 'little pearl'.

a variant of Theresa, meaning 'harvester'.

Derived from the Irish surname 'Teigh', meaning 'house or dwelling'.

Descendant of the champion; a poetic variant of the name Neale.

One who brings peace.

descendant of Caoinlean

mortal, broken-hearted

Descendant of Caodhán.

A diminutive form of the name Nollaig, which means 'Christmas'

Shelia is derived from the Irish name 'Síle', meaning 'blessed'.

A diminutive form of the name 'Shannon', meaning 'old river'.

A variant of Abigail, meaning 'father's joy'.

descendant of Ciardha

Derived from the Irish word 'tríona', meaning 'third', but often connected to the name of the goddess associated with th

From the land of the river

From the river Shannon

God is gracious; gift or present

grace, beauty; derived from 'Ana' meaning 'grace' or 'favor'

Costello & Mavourneen

A sad one or brokenhearted

Best Sibling Names for Costello

Pregnancy

Baby & Parenting

Tools & More