Boys' name · since 1920
Mosby
Mosby has 14 recorded births since 1920 in federal Social Security data, most heavily in 1920 -- full year-by-year trend, decade aggregates, and state rankings follow.
- #31,904 of 45,481
- all-time among boys
- 14
- born since 1920
- 1920s
- peak decade
Mosby sits outside today's top ranks for boys, with 14 recorded since 1920.
According to the U.S. Social Security Administration, Mosby has been recorded 14 times among boys since 1920, though it is not among the currently most-used boys names, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1920 to 2016.
- #31,904 of 45,481 all-time among boys
- 14 born since 1920
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Mosby ranks #31,904 of 45,481 boys' names by all-time recorded births (highest first). 14 born since 1920, peaking in the 1920s.
- #31,904 of 45,481
- all-time among boys
- 14
- born since 1920
- 1920s
- peak decade
Mosby's 14 recorded births place it above 29.67% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by North Carolina.
Mosby's usage pattern, beyond the headline number
Mosby splits its recorded history at 2016: 36% of all births land in the more recent half, 64% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 2016 (5 births) -- compare that against the 1920 peak of 9 for a sense of just how much the name's popularity has swung.
Mosby popularity over time
Annual U.S. births registered with the Social Security Administration · 1920–2016
- Peak year (1920)
- 9
- Annual births at peak, across 97 years of records
Mosby by decade
1920s is the heaviest window (9 births, 64% of the file).
1920s was Mosby's strongest decade.
9 babies received the name during that ten-year window, about 64% of all-time use.
Mosby births by decade
Total births in each ten-year window
- 1920s
1920s
9 births
- 2010s
2010s
5 births
What this shows Peak: 1920s at 9 births (64% of all-time use).
Mosby by state
Where Mosby concentrates geographically, total births since 1920
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | North Carolina | | 5 | 35.7% |
5 of 14 births nationwide.
Frequently Asked Questions
How popular is the name Mosby? ▼
Where does Mosby sit in the SSA name archive? ▼
When was Mosby most popular? ▼
Where is Mosby most popular? ▼
How long has the name Mosby been used? ▼
What names are similar to Mosby? ▼
What to do with Mosby's data
- Mosby's usage has stayed within range of its 1920s decade-level peak (9 total births) through the 2010s (5) -- a comparatively stable name, not a fading trend.
- North Carolina records the most Mosbys (5 births) -- see the full state breakdown if geography matters to your decision. North Carolina names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Mosby
Nearby Names Like Mosby
Names with a similar sound, spelling, or feel to Mosby
Compare Mosby side by side: Mosby vs Moses Mosby vs Moshe Mosby vs Mose
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Mosby: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1920)
Similar record span (~96 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, 1920–2016 (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 Mosby 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.