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.

#15484
among girls today
146
born since 1921
1940s
peak decade
13%
more common than other girls

Rosmary currently ranks #15484 among girls' names in America, with 146 babies recorded since 1921.

According to the U.S. Social Security Administration, Rosmary has been recorded 146 times among girls since 1921, currently ranked #15484 nationally and more common than 13% of girls, 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.

  • #15484 among girls today
  • 146 born since 1921
  • 1940s peak decade
  • 13% more common than other girls

Data updated Jul 2026

The verdict

Rosmary is currently the #15484 girls' name in America, more common than 13% of girls - 146 born since 1921, peaking in the 1940s.

#15484
among girls today
146
born since 1921
1940s
peak decade
13%
more common than other girls

Rosmary vs. every other girls name in current SSA rankings

0%100%Median name50%12.6%
Rosmary vs. every other girls name in current SSA rankings
#15484
of 17,726 girls in use

More common than 13% of names given to girls today.

1940s
Peak decade

26% of everyone ever named Rosmary was born in this single decade.

2022
Single peak year

8 babies were named Rosmary in 2022 - its busiest year on record.

How Rosmary compares

146 31st percentile among 17,726 names currently given to girls

Based on all-time total births among currently-ranked girls 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

Rosmary's all-time total is 62% below the median girls name, and Olivia still leads by a wide margin.

Metric Rosmary Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 146 382 567,345
Peak-year births 8 48 19,840

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 at a glance

Outside the top 1,000

Total births

146

Since 1921

104 years of records

Peak year

2022

8 births that year

Strongest decade: 1940s

Current rank

#15,484

Among girls

As of 2024

Active since

1921

Recorded for 104 years

Last year on file: 2024

Rosmary popularity over time

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

Outside the top 1,000
Peak year (2022)
8
Annual births at peak, across 104 years of records
456789 19211935194419491955200720222024 5

Rosmary by decade

Total births in each ten-year window, peak vs trough at a glance

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 July 2026

Frequently Asked Questions

How popular is the name Rosmary?
146 babies have been named Rosmary since 1921. It currently ranks #15484 among girls. The peak year was 2022 with 8 births.
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.
  • 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.

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, 1921–2024 (ssa.gov/oact/babynames).

State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).

Cite this page

NameAlmanac Editorial. "Rosmary: #15484 Girls' Name - 146 Births, Peak 2022." NameAlmanac. Accessed via https://namealmanac.com/name/rosmary. 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 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 July 2026.