Total births
142
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.
- #11273
- among boys today
- 142
- born since 1979
- 2000s
- peak decade
- 21%
- more common than other boys
142 babies have been named Jacobus since 1979, making it today's #11273 boys' name.
According to the U.S. Social Security Administration, Jacobus has been recorded 142 times among boys since 1979, currently ranked #11273 nationally and more common than 21% 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.
- #11273 among boys today
- 142 born since 1979
- 2000s peak decade
- 21% more common than other boys
Data updated Jun 2026
The verdict
Jacobus is currently the #11273 boys' name in America, more common than 21% of boys - 142 born since 1979, peaking in the 2000s.
- #11273
- among boys today
- 142
- born since 1979
- 2000s
- peak decade
- 21%
- more common than other boys
Jacobus vs. every other boys name in current SSA rankings
#11273
of 14,294 boys in use
More common than 21% of names given to boys today.
2000s
Peak decade
33% of everyone ever named Jacobus was born in this single decade.
1997
Single peak year
8 babies were named Jacobus in 1997 - its busiest year on record.
How Jacobus compares
142 32th percentile among 14,294 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 61% below the median boys name, and Liam still leads by a wide margin.
| Metric | Jacobus | Median boys name (Elchonon) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 142 | 367 | 358,536 |
| Peak-year births | 8 | 23 | 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 at a glance
Outside the top 1,000Peak year
1997
Current rank
#11,273
Active since
1979
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
Total births in each ten-year window, peak vs trough at a glance
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
How popular is the name Jacobus? ▼
Jacobus has been given to 142 babies in the U.S. since 1979, according to SSA data. Among boys, it ranks #11273 as of the latest data. 8 babies were born in 1997, its single highest year.
When was Jacobus most popular? ▼
Jacobus was most popular in the 2000s decade with 47 total births. The single peak year was 1997.
How long has the name Jacobus been used? ▼
The SSA has tracked Jacobus since 1979 -- 47 years through the most recent 2025 data.
What names are similar to Jacobus? ▼
Names with a similar sound or spelling include Jacob, Jack, Jackson, Jace, and 4 more. These share a common prefix and are also used for boys.
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.
- Weighing it against an alternative? Put two names side by side. Compare names
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
Jacob Boy
#40 988,227 births
Jack Boy
#15 756,943 births
Jackson Boy
#35 297,220 births
Jace Boy
#114 91,544 births
Jackie Boy
#2877 78,900 births
Compare Jacobus side by side: Jacobus vs Jacob Jacobus vs Jack Jacobus vs Jackson
Related Names
Names with a similar popularity rank to Jacobus
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Jacobus: #11273 Boys' Name - 142 Births, Peak 1997." NameAlmanac. Accessed via https://namealmanac.com/name/jacobus. Licensed CC BY-SA 4.0.
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 June 2026.