Isidor vs Isiah

Side-by-side comparison of Isidor and Isiah — 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

Isiah

Boy name · Rank #1310

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Which name is more popular?

Metric Isidor Isiah
Current Rank #8976 #1310
Total Births (all years) 411 24,587
Peak Year 1914 2001
Peak Year Births 24 822
Peak Decade 1910ss 2000ss
Gender Boy Boy
First Recorded Year 1883 1880

Births by Decade

Decade Isidor Isiah
1880ss 18 251
1890ss 36 313
1900ss 22 340
1910ss 160 894
1920ss 67 1,270
1930ss 36 964
1940ss 6 1,056
1950ss 33 1,009
1960ss 6 687
1970ss — 541
1980ss — 1,653
1990ss — 5,471
2000ss — 7,042
2010ss 5 2,407
2020ss 22 689

Recent Annual Births (2014–present)

Year Isidor Isiah
2014 — 187
2015 — 178
2016 — 197
2017 — 170
2018 5 169
2019 — 157
2020 — 131
2021 — 137
2022 — 141
2023 14 132
2024 8 148

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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