Isac vs Isaias

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

Name A

Isac

Boy name · Rank #4081

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Name B

Isaias

Boy name · Rank #449

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Which name is more popular?

Metric Isac Isaias
Current Rank #4081 #449
Total Births (all years) 3,203 18,644
Peak Year 2006 2025
Peak Year Births 148 755
Peak Decade 2000s 2010s
Gender Boy Boy
First Recorded Year 1884 1915

Births by Decade

Decade Isac Isaias
1880s 5 -
1890s 11 -
1900s 33 -
1910s 132 18
1920s 145 98
1930s 81 144
1940s 22 150
1950s 12 222
1960s 21 242
1970s 61 502
1980s 192 985
1990s 543 2,335
2000s 1,210 4,664
2010s 577 5,212
2020s 158 4,072

Recent Annual Births (2014–present)

Year Isac Isaias
2014 62 500
2015 42 520
2016 39 541
2017 39 508
2018 26 550
2019 27 580
2020 28 632
2021 33 600
2022 30 676
2023 19 705
2024 26 704
2025 22 755

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, 1884–2025.

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