Boys' name · since 1979
Jacobus
142 babies named Jacobus in U.S. Social Security records since 1979, with the highest year being 1997. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #15,122 of 45,481
- all-time among boys
- #12,429 of 13,930
- 2025 SSA year
- 142
- born since 1979
- 2000s
- peak decade
142 babies have been named Jacobus since 1979, making it today's #12429 boys' name.
According to the U.S. Social Security Administration, Jacobus has been recorded 142 times among boys since 1979, currently ranked #12429 nationally and more common than 11% 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 1979 to 2025.
- #15,122 of 45,481 all-time among boys
- #12,429 of 13,930 2025 SSA year
- 142 born since 1979
- 2000s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Jacobus ranks #15,122 of 45,481 boys' names by all-time recorded births (highest first) and #12,429 of 13,930 among boys' names in 2025. 142 born since 1979, peaking in the 2000s.
- #15,122 of 45,481
- all-time among boys
- #12,429 of 13,930
- 2025 SSA year
- 142
- born since 1979
- 2000s
- peak decade
Jacobus's 142 recorded births place it above 66.68% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
How Jacobus compares
142 32nd percentile among 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
Jacobus's all-time total is 62% below the median boys name, and Liam still leads by a wide margin.
| Metric | Jacobus | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 142 | 369 | 358,536 |
| Peak-year births | 8 | 34 | 22,252 |
Jacobus's usage pattern, beyond the headline number
Jacobus splits its recorded history at 2003: 51% of all births land in the more recent half, 49% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1981 (5 births) -- compare that against the 1997 peak of 8 for a sense of just how much the name's popularity has swung.
Jacobus popularity over time
Annual U.S. births registered with the Social Security Administration · 1979–2025
- Peak year (1997)
- 8
- Annual births at peak, across 47 years of records
Jacobus by decade
2000s is the heaviest window (47 births, 33% of the file).
2000s was Jacobus's strongest decade.
47 babies received the name during that ten-year window, about 33% of all-time use.
Jacobus births by decade
Total births in each ten-year window
- 1970s 6
1970s
6 births
- 1980s
1980s
20 births
- 1990s
1990s
25 births
- 2000s
2000s
47 births
- 2010s 18
2010s
18 births
- 2020s
2020s
26 births
What this shows Peak: 2000s at 47 births (33% of all-time use).
Frequently Asked Questions
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What to do with Jacobus's data
- Jacobus's usage has stayed within range of its 2000s decade-level peak (47 total births) through the 2020s (26) -- a comparatively stable name, not a fading trend.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Jacobus
Nearby Names Like Jacobus
Names with a similar sound, spelling, or feel to Jacobus
Compare Jacobus side by side: Jacobus vs Jacob Jacobus vs Jack Jacobus vs Jackson
Related Names
Names with a similar popularity rank to Jacobus
Nationwide names with similar peak year or record span
Two nationwide peer axes for Jacobus: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1997)
Similar record span (~46 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, 1979–2025 (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 Jacobus 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.