Boys' name · since 1884
Isac
Isac has 3,203 recorded births since 1884 in federal Social Security data, most heavily in 2006 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #2,427 of 45,481
- all-time among boys
- #4,547 of 13,930
- 2025 SSA year
- 3,203
- born since 1884
- 2000s
- peak decade
3,203 babies have been named Isac since 1884, making it today's #4547 boys' name.
According to the U.S. Social Security Administration, Isac has been recorded 3,203 times among boys since 1884, currently ranked #4547 nationally and more common than 67% of boys, with its heaviest use in the 2000s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1884 to 2025.
- #2,427 of 45,481 all-time among boys
- #4,547 of 13,930 2025 SSA year
- 3,203 born since 1884
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Isac ranks #2,427 of 45,481 boys' names by all-time recorded births (highest first) and #4,547 of 13,930 among boys' names in 2025. 3,203 born since 1884, peaking in the 2000s.
- #2,427 of 45,481
- all-time among boys
- #4,547 of 13,930
- 2025 SSA year
- 3,203
- born since 1884
- 2000s
- peak decade
Isac's 3,203 recorded births place it above 94.66% of the 45,481 boys names in the full SSA archive.
16 jurisdictions carry state-level records, led by California.
How Isac compares
3,203 Top 17% higher than 83% of 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Isac's all-time total is 9x the median boys name, and Liam still leads by a wide margin.
| Metric | Isac | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 3,203 | 369 | 358,536 |
| Peak-year births | 148 | 34 | 22,252 |
Isac's usage pattern, beyond the headline number
Splitting Isac's full recorded timeline at 1975, 85% of its total births fall in the more recent half of the record versus 15% in the earlier half -- usage has skewed toward the present, not a one-decade spike. Its quietest year on record was 1884, with just 5 recorded births -- worth weighing against the 2006 peak of 148 to see the full range of the name's swing in popularity.
Isac popularity over time
Annual U.S. births registered with the Social Security Administration · 1884–2025
- Peak year (2006)
- 148
- Annual births at peak, across 142 years of records
Isac by decade
2000s is the heaviest window (1,210 births, 38% of the file).
2000s was Isac's strongest decade.
1,210 babies received the name during that ten-year window, about 38% of all-time use.
Isac births by decade
Total births in each ten-year window
- 1880s 5
1880s
5 births
- 1890s 11
1890s
11 births
- 1900s 33
1900s
33 births
- 1910s 132
1910s
132 births
- 1920s 145
1920s
145 births
- 1930s 81
1930s
81 births
- 1940s 22
1940s
22 births
- 1950s 12
1950s
12 births
- 1960s 21
1960s
21 births
- 1970s 61
1970s
61 births
- 1980s 192
1980s
192 births
- 1990s
1990s
543 births
- 2000s
2000s
1,210 births
- 2010s
2010s
577 births
- 2020s 158
2020s
158 births
What this shows Peak: 2000s at 1,210 births (38% of all-time use).
How Isac compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 boys names closest to Isac's total volume
Isac by state
Where Isac concentrates geographically, total births since 1884
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 709 | 22.1% |
| #2 | Texas | | 381 | 11.9% |
| #3 | Illinois | | 61 | 1.9% |
| #4 | Arizona | | 53 | 1.7% |
| #5 | New York | | 35 | 1.1% |
| #6 | Michigan | | 18 | 0.6% |
| #7 | Colorado | | 16 | 0.5% |
| #8 | Florida | | 16 | 0.5% |
709 of 3,203 births nationwide. Compared to a flat distribution across 16 reporting states.
Isac appears in 16 states. Explore state details →
Frequently Asked Questions
How popular is the name Isac? ▼
Where does Isac sit in the SSA name archive? ▼
When was Isac most popular? ▼
Where is Isac most popular? ▼
How long has the name Isac been used? ▼
What names are similar to Isac? ▼
What to do with Isac's data
- Isac's decade-level peak was the 2000s (1,210 total births); usage has since declined to 158 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- California records the most Isacs (709 births) -- see the full state breakdown if geography matters to your decision. California names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Isac
Nearby Names Like Isac
Names with a similar sound, spelling, or feel to Isac
Compare Isac side by side: Isac vs Isaac Isac vs Isaiah Isac vs Isaias
Related Names
Names with a similar popularity rank to Isac
Nationwide names with similar peak year or record span
Two nationwide peer axes for Isac: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~2006)
Similar record span (~141 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 2026. Source: U.S. Social Security Administration (SSA).
According to the Social Security Administration, this profile draws directly from the agency's public-use baby-name files (updated June 2026). See our methodology for the full extraction, aggregation, and privacy-suppression rules.
Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications, National Data, 1884–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Name Almanac is rendered directly from the Social Security Administration's public baby-name files, no number is typed in by an editor. This profile for Isac draws directly on SSA national and state-level files, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.