Isiac vs Isiah

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

Name A

Isiac

Boy name

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Name B

Isiah

Boy name · Rank #1310

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Which name is more popular?

Metric Isiac Isiah
Current Rank Unranked #1310
Total Births (all years) 195 24,587
Peak Year 2001 2001
Peak Year Births 15 822
Peak Decade 2000ss 2000ss
Gender Boy Boy
First Recorded Year 1912 1880

Births by Decade

Decade Isiac Isiah
1880ss — 251
1890ss — 313
1900ss — 340
1910ss 15 894
1920ss 16 1,270
1930ss 11 964
1940ss — 1,056
1950ss — 1,009
1960ss 6 687
1970ss — 541
1980ss 5 1,653
1990ss 21 5,471
2000ss 114 7,042
2010ss 7 2,407
2020ss — 689

Recent Annual Births (2014–present)

Year Isiac Isiah
2014 — 187
2015 — 178
2016 — 197
2017 — 170
2018 — 169
2019 — 157
2020 — 131
2021 — 137
2022 — 141
2023 — 132
2024 — 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, 1912–2010.

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