Sibling names for Luca
These are brother and sister names for Luca: a model preference for shared style and similar popularity, with penalties for rhyme and shared initials.
Brother names for Luca
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Owen 88
OH-en
Gentle and classic style
The same 2 syllables as Luca, so they balance said together; only 4 letters to write.
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Dylan 86
DIL-ən
Nature and modern style
Brings Welsh roots alongside Luca's Italian ones; a different first letter from Luca — easy to tell apart on school and doctor's forms.
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Asher 83
ASH-er
Modern and biblical style
A Top 100 name, familiar without being everywhere; a different ending sound from Luca.
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Thiago 81
tee-AH-go
International and modern style
About as well-known as Luca right now; the same modern and international feel as Luca.
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Nolan 75
NO-lən
Modern and gentle style
Has Nole as a short form; an "-n" ending, the kind used across a lot of unisex names.
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Wyatt 73
WYE-ət
Modern and classic style
Matches Luca syllable for syllable; opens on "W" against Luca's "L".
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Mason 71
MAY-sən
Modern and classic style
Modern, like Luca; a solid consonant start against Luca's soft ending.
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Bennett 69
BEN-it
Vintage and gentle style
Opens on a firm consonant; has Ben and Benny as short forms.
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Riley 67
RY-lee
Modern and celtic style
Irish where Luca is Italian — a mix; runs to the same length as Luca out loud.
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Hudson 65
HUD-sən
Modern and nature style
Sits at Luca's level of popularity; finishes on a soft "-n".
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Cooper 63
KOO-per
Modern and friendly style
More vowels than consonants — an easy, open sound; well-known but not in the very top handful.
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Carter 62
KAR-ter
Modern and classic style
Old English where Luca is Italian — a mix; the same modern feel as Luca.
Sister names for Luca
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Willow 80
WIL-oh
Nature and boho style
Luca ends on a soft vowel, Willow on a soft vowel — a clean contrast; more consonants than vowels — a firmer sound.
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Riley 78
RY-lee
Modern and celtic style
The same modern feel as Luca; sits at Luca's level of popularity.
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Harper 75
HAR-per
Modern and literary style
A steady two-beat name; starts with "H", not Luca's "L", giving the names different first initials.
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Avery 73
AY-ver-ee
Modern and nature style
Shortens to Ave; Old English where Luca is Italian — a mix.
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Grace 71
GRAYS
Classic and virtue style
Has Gracie as a short form; brings Latin roots alongside Luca's Italian ones.
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Addison 70
AD-ih-sun
Modern and gentle style
Well-known but not in the very top handful; the double letter in Addison reads gently.
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Madison 67
MAD-ih-sun
Modern and strong style
Consonant-forward, so it lands with a bit of edge; a fuller name of 3 syllables.
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Naomi 66
nay-OH-mee
Biblical and gentle style
A longer, flowing 3-syllable name; gentle, like Luca.
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Ailany 63
Opens on a vowel — a soft, rounded start; listed in our girls name group.
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Lainey 62
LAY-nee
Modern and sweet style
Shares Luca's "L" — an alliterative pairing; modern, like Luca.
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Paisley 59
PAYZ-lee
Modern and boho style
Scottish where Luca is Italian — a mix; a modern "-ly" style ending.
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Zoey 57
ZOH-ee
Modern and short style
Neither name stands out next to the other; a crisp consonant start.
Reading the scores
The score ranks each pairing with Luca using our editorial rules for shared style, popularity bands, rhyme, endings and initials. It is a comparison within this list, not a percentage or a prediction of what your family will like. How the score works. Popularity figures use US SSA records for 2025. Name-history notes are shown only where a reference is recorded; origins and pronunciations can vary.
What makes a sibling set work
The names people regret are the ones that rhyme, start with the same letter, or sit far apart in popularity. A good match for Luca avoids all three. Say Luca next to Owen or Willow and you can hear it.
See also: middle names for Luca · twin names for Luca
Common questions
What names go well with Luca for a sibling?
For a brother: Owen, Dylan, Asher, Thiago.
For a sister: Willow, Riley, Harper, Avery. These share Luca's style and level of familiarity without rhyming or starting with the same letter.
Should a sibling name match Luca?
Match the feel, not the sound. Names that are too close to Luca can sound like a set rather than two separate people. That means a shared era or style — Luca reads as modern and gentle, so lean that way — but a different starting sound and ending. All 24 names here share a style label with Luca. Names that rhyme with Luca or also start with "L" get fewer points here.
Should a sibling of Luca have a name from the same language?
It helps but is not required. Another Italian name (like Luca) gets a small scoring bonus because shared roots read as deliberate, but a strong style match with Luca matters more either way.
What decides the score for each sibling name?
A shared style with Luca adds the most points, and being about as popular as Luca adds some more. Points come off for a rhyme, for a matching "L" start and for the same ending sound. The how-we-score page has the full method.