Costello
- Pronunciation
- [Cos-te-llo]
- Gender
- Male
- Meaning
- Surname.
- Origin
- Irish
Costello Popularity Snapshot
Across the entire US Social Security Administration record (1880–2024), 61 baby boys have been named Costello. The name peaked in 1951 with 11 US births that year (rank #2398).
Other Irish-Origin Names Like Costello
If you like Costello's Irish origin, consider these related names: Abban, Abiageal, Abracham, Adare, Addergoole. Browse all Irish names →
8-Letter Names Starting with C
Names with Costello's exact length and starting letter: Cacamwri, Caddaham, Caddaric, Caddarik, Caddawyc.
Quick Facts About Costello
Variant Forms
| Name | Meaning | Gender | Origin |
|---|---|---|---|
| Elle | Abbreviation Of Eleanor And Ellen. Beautiful Fairy | Female | English |
Looking for names like Costello?
A dedicated page with 60+ related names — spelling variants, rhymes, alliterations, same-origin matches, and shared meaning concepts — lives at its own URL so each kind of similarity gets a deeper treatment than fits here.
Compare Costello to Other Popular Names
Side-by-side popularity charts and crossover years for Costello against today's most popular boys-name peers (top 8 by US births in the last 10 years of SSA records).