Deciderio vs Declan

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

Name A

Deciderio

Boy name

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Name B

Declan

Boy name · Rank #132

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Which name is more popular?

Metric Deciderio Declan
Current Rank Unranked #132
Total Births (all years) 10 58,547
Peak Year 1919 2019
Peak Year Births 5 3,971
Peak Decade 1910ss 2010ss
Gender Boy Boy
First Recorded Year 1919 1951

Births by Decade

Decade Deciderio Declan
1910ss 5 —
1930ss 5 —
1950ss — 27
1960ss — 70
1970ss — 53
1980ss — 145
1990ss — 1,135
2000ss — 7,268
2010ss — 31,107
2020ss — 18,742

Recent Annual Births (2014–present)

Year Deciderio Declan
2014 — 3,321
2015 — 3,587
2016 — 3,623
2017 — 3,470
2018 — 3,812
2019 — 3,971
2020 — 3,601
2021 — 3,647
2022 — 3,345
2023 — 2,814
2024 — 2,765
2025 — 2,570

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, 1919–1930.

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