Costello vs Cosimo

Side-by-side comparison of Costello and Cosimo — popularity rank, total births, peak decade, and historical trends from Social Security Administration data.

Name A

Costello

Boy name

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Name B

Cosimo

Boy name · Rank #5064

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Which name is more popular?

Metric Costello Cosimo
Current Rank Unranked #5064
Total Births (all years) 61 1,000
Peak Year 1951 1927
Peak Year Births 11 30
Peak Decade 1950ss 1920ss
Gender Boy Boy
First Recorded Year 1942 1911

Births by Decade

Decade Costello Cosimo
1910ss — 123
1920ss — 218
1930ss — 91
1940ss 5 92
1950ss 23 70
1960ss — 62
1970ss 11 40
1980ss — 50
1990ss — 37
2000ss 12 68
2010ss 5 80
2020ss 5 69

Recent Annual Births (2014–present)

Year Costello Cosimo
2014 — 5
2015 — 9
2016 — 6
2017 — 15
2018 — 14
2019 — 14
2020 — 10
2021 5 10
2022 — 12
2023 — 18
2024 — 19

Data Sources

Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, ssa.gov/oact/babynames.
Source: SSA Annual Name Rankings, 1942–2021.

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