MallowbyNames

Costello

A boy's name first recorded in U.S. data in 1942. Meaning & origin entry coming soon.

2025 rank (boys)
#10,695
Babies named in 2025
6
Peak popularity
1951
2025 frequency
1 in 284,679 boys
Usually for
Boys
Trend
Holding steady

Holding steady, #10,695 for boys today.

Popularity of Costello since 1931

Babies named Costello per year in U.S. Social Security records.

471119602000Most births 1951GirlsBoys
GirlsBoys
Data table (by decade)
DecadeGirlsBoys
1930s50
1940s05
1950s023
1960s00
1970s011
1980s00
1990s00
2000s012
2010s05
2020s011
A parent animal hugging its little one, the personalized name page

C is for Costello, our favorite little boy.

C is for Costello…”

In a Mallowby alphabet book, Costello's letter becomes Costello's page: hand-illustrated, printed hardcover or paperback, made just for them.

Make Costello's book

Books for siblings or grandkids? The second book is 15% off.