Costello
Boy nameCostello has been given to 72 babies in the U.S. since 1931. It peaked in 1951. In 2025, about 1 in 284,679 boys was named Costello.
Popularity over time births per year, 1880–2025
Total babies
72
Peak year
1951 (11 babies)
Rank in 2025
Below top 1000
First recorded
1931
10-year trend
New / returning
Gender split
7% girls / 93% boys
Names with a similar vibe
Same primary gender, peaked around the same years, and roughly as common as Costello.
Sibling name ideas for Costello
Same era and popularity as Costello, avoiding matching initials or rhymes.
FAQ
How popular is the name Costello?
Costello has been given to 72 babies in the U.S. since 1931. It ranked below the top 1000 in 2025.
When did the name Costello peak?
Costello peaked in 1951, when 11 babies were given the name.
Is Costello a girl or boy name?
Costello is primarily a boy name (93% of babies named Costello are boys).
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