Total births
97
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.
- 97
- total births
- 1939–1968
- years on record
- 1950s
- peak decade
- 45%
- born in that 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.
- 97 total births
- 1939–1968 years on record
- 1950s peak decade
- 45% born in that decade
Data updated Jul 2026
The verdict
97 girls have been named Rosan since 1939, peaking in the 1950s, last recorded in 1968.
- 97
- total births
- 1939–1968
- years on record
- 1950s
- peak decade
- 45%
- born in that decade
1950s
Peak decade
45% of everyone ever named Rosan was born in this single decade.
1943
Single peak year
8 babies were named Rosan in 1943 - its busiest year on record.
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 at a glance
Last recorded 1968Peak year
1943
Current rank
Unranked
Active since
1939
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
Total births in each ten-year window, peak vs trough at a glance
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? ▼
97 babies have been named Rosan since 1939. It was last recorded in 1968. The peak year was 1943 with 8 births.
When was Rosan most popular? ▼
Rosan was most popular in the 1950s decade with 44 total births. The single peak year was 1943.
How long has the name Rosan been used? ▼
The SSA has tracked Rosan since 1939 -- 30 years through the most recent 1968 data.
What names are similar to Rosan? ▼
Names with a similar sound or spelling include Rose, Rosa, Rosemary, Rosie, and 4 more. These share a common prefix and are also used for girls.
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.
- 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 Rosan
Nearby Names Like Rosan
Names with a similar sound, spelling, or feel to Rosan
Rose Girl
#114 500,586 births
Rosa Girl
#662 177,415 births
Rosemary Girl
#301 163,165 births
Rosie Girl
#310 85,556 births
Rosalie Girl
#177 84,049 births
Compare Rosan side by side: Rosan vs Rose Rosan vs Rosa Rosan vs Rosemary
Related Names
Names with a similar number of total births
Data Sources
Data as of July 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).
Cite this page
NameAlmanac Editorial. "Rosan: Baby Name Since 1939 - 97 Births, Peak 1943." NameAlmanac. Accessed via https://namealmanac.com/name/rosan. 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 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 July 2026.