Girls' name · since 1921

Rosmary

146 babies named Rosmary in U.S. Social Security records since 1921, with the highest year being 2022. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

#23,070 of 72,339
all-time among girls
146
born since 1921
1940s
peak decade

146 girls have been named Rosmary since 1921, though it isn't currently a top-ranked name.

According to the U.S. Social Security Administration, Rosmary has been recorded 146 times among girls since 1921, though it is not among the currently most-used girls names, with its heaviest use in the 1940s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1921 to 2024.

  • #23,070 of 72,339 all-time among girls
  • 146 born since 1921
  • 1940s peak decade

Data updated Aug 2026

The verdict

According to the U.S. Social Security Administration, Rosmary ranks #23,070 of 72,339 girls' names by all-time recorded births (highest first). 146 born since 1921, peaking in the 1940s.

#23,070 of 72,339
all-time among girls
146
born since 1921
1940s
peak decade
Below the archive median
All-time archive position

Rosmary's 146 recorded births place it above 68.08% of the 72,339 girls names in the full SSA archive.

National only
State-record footprint

No state rows cleared SSA’s public reporting threshold for this name.

Rosmary's usage pattern, beyond the headline number

Splitting Rosmary's full recorded timeline at 1951, 51% of its total births fall in the more recent half of the record versus 49% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1921, with just 5 recorded births -- worth weighing against the 2022 peak of 8 to see the full range of the name's swing in popularity.

Rosmary popularity over time

Annual U.S. births registered with the Social Security Administration · 1921–2024

Last recorded 2024
Peak year (2022)
8
Annual births at peak, across 104 years of records
456789 19211935194419491955200720222024 5

Rosmary by decade

1940s is the heaviest window (38 births, 26% of the file).

1940s was Rosmary's strongest decade.

38 babies received the name during that ten-year window, about 26% of all-time use.

Rosmary births by decade

Total births in each ten-year window

births

What this shows Peak: 1940s at 38 births (26% of all-time use).

Source U.S. Social Security Administration · Baby Names As of August 2026

Frequently Asked Questions

How popular is the name Rosmary?
146 babies have been named Rosmary since 1921. All-time, it sits at #23,070 of 72,339 girls' names by recorded births. It was last recorded in 2024. The peak year was 2022 with 8 births.
Where does Rosmary sit in the SSA name archive?
According to the U.S. Social Security Administration, Rosmary ranks #23,070 of 72,339 girls' names by all-time recorded births (highest first). All-time ordinal matches browse popularity (total births DESC); the current ordinal uses the null SSA file. See /methodology#corpus-placement.
When was Rosmary most popular?
Rosmary was most popular in the 1940s decade with 38 total births. The single peak year was 2022.
How long has the name Rosmary been used?
Records for Rosmary go back to 1921, giving 104 years of history through 2024.
What names are similar to Rosmary?
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 Rosmary's data

  • Rosmary's usage has stayed within range of its 1940s decade-level peak (38 total births) through the 2020s (13) -- 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 Rosmary

Nearby Names Like Rosmary

Names with a similar sound, spelling, or feel to Rosmary

Names with a similar number of total births

Nationwide names with similar peak year or record span

Two nationwide peer axes for Rosmary: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.

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, 1921–2024 (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 Rosmary 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.