Girls' name · since 1939
Rosan
97 babies named Rosan in U.S. Social Security records since 1939, with the highest year being 1943. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #27,485 of 72,339
- all-time among girls
- 97
- born since 1939
- 1950s
- peak decade
97 girls have been named Rosan since 1939, though it isn't currently a top-ranked name.
Social Security Administration records show Rosan recorded 97 times among girls since 1939, though it doesn't currently rank among the most-used girls names, peaking in the 1950s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1939 to 1968.
- #27,485 of 72,339 all-time among girls
- 97 born since 1939
- 1950s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Rosan ranks #27,485 of 72,339 girls' names by all-time recorded births (highest first). 97 born since 1939, peaking in the 1950s.
- #27,485 of 72,339
- all-time among girls
- 97
- born since 1939
- 1950s
- peak decade
Rosan's 97 recorded births place it above 61.96% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Rosan's usage pattern, beyond the headline number
Rosan splits its recorded history at 1952: 56% of all births land in the more recent half, 44% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1939 (5 births) -- compare that against the 1943 peak of 8 for a sense of just how much the name's popularity has swung.
Rosan popularity over time
Annual U.S. births registered with the Social Security Administration · 1939–1968
- Peak year (1943)
- 8
- Annual births at peak, across 30 years of records
Rosan by decade
1950s is the heaviest window (44 births, 45% of the file).
1950s was Rosan's strongest decade.
44 babies received the name during that ten-year window, about 45% of all-time use.
Rosan births by decade
Total births in each ten-year window
- 1930s 5
1930s
5 births
- 1940s
1940s
32 births
- 1950s
1950s
44 births
- 1960s 16
1960s
16 births
What this shows Peak: 1950s at 44 births (45% of all-time use).
Frequently Asked Questions
How popular is the name Rosan? ▼
Where does Rosan sit in the SSA name archive? ▼
When was Rosan most popular? ▼
How long has the name Rosan been used? ▼
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What to do with Rosan's data
- Rosan's usage has stayed within range of its 1950s decade-level peak (44 total births) through the 1960s (16) -- 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 Rosan
Nearby Names Like Rosan
Names with a similar sound, spelling, or feel to Rosan
Compare Rosan side by side: Rosan vs Rose Rosan vs Rosa Rosan vs Rosemary
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Rosan: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1943)
Similar record span (~29 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, 1939–1968 (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 Rosan 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.