Isidor vs Isidore

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

Name A

Isidor

Boy name · Rank #8976

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Name B

Isidore

Boy name · Rank #3450

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Which name is more popular?

Metric Isidor Isidore
Current Rank #8976 #3450
Total Births (all years) 411 3,390
Peak Year 1914 1919
Peak Year Births 24 183
Peak Decade 1910ss 1910ss
Gender Boy Boy
First Recorded Year 1883 1881

Births by Decade

Decade Isidor Isidore
1880ss 18 39
1890ss 36 72
1900ss 22 159
1910ss 160 1,357
1920ss 67 849
1930ss 36 180
1940ss 6 101
1950ss 33 135
1960ss 6 98
1970ss — 31
1980ss — 20
1990ss — 30
2000ss — 64
2010ss 5 130
2020ss 22 125

Recent Annual Births (2014–present)

Year Isidor Isidore
2014 — 15
2015 — 11
2016 — 11
2017 — 14
2018 5 26
2019 — 20
2020 — 11
2021 — 31
2022 — 16
2023 14 34
2024 8 33

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, 1883–2024.

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