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 #9014

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Name B

Isidore

Boy name · Rank #3456

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Which name is more popular?

Metric Isidor Isidore
Current Rank #9014 #3456
Total Births (all years) 419 3,421
Peak Year 1914 1919
Peak Year Births 24 183
Peak Decade 1910s 1910s
Gender Boy Boy
First Recorded Year 1883 1881

Births by Decade

Decade Isidor Isidore
1880s 18 39
1890s 36 72
1900s 22 159
1910s 160 1,357
1920s 67 849
1930s 36 180
1940s 6 101
1950s 33 135
1960s 6 98
1970s - 31
1980s - 20
1990s - 30
2000s - 64
2010s 5 130
2020s 30 156

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 15 34
2024 8 33
2025 7 31

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, 1883–2025.

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