Girls' name · since 1899

Rosalyn

Since 1899, U.S. Social Security records show 23,278 babies named Rosalyn, peaking in 1955. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.

#888
among girls today
23,278
born since 1899
1950s
peak decade
95%
more common than other girls

23,278 babies have been named Rosalyn since 1899, making it today's #888 girls' name.

Social Security Administration records show Rosalyn recorded 23,278 times among girls since 1899, holding rank #888 nationally today, ahead of 95% of girls, 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 1899 to 2025.

  • #888 among girls today
  • 23,278 born since 1899
  • 1950s peak decade
  • 95% more common than other girls

Data updated Jun 2026

The verdict

Rosalyn is currently the #888 girls' name in America, more common than 95% of girls - 23,278 born since 1899, peaking in the 1950s.

#888
among girls today
23,278
born since 1899
1950s
peak decade
95%
more common than other girls

Rosalyn vs. every other girls name in current SSA rankings

0%100%Median name50%94.9%
Rosalyn vs. every other girls name in current SSA rankings
#888
of 17,726 girls in use

More common than 95% of names given to girls today.

1950s
Peak decade

16% of everyone ever named Rosalyn was born in this single decade.

1955
Single peak year

422 babies were named Rosalyn in 1955 - its busiest year on record.

How Rosalyn compares

23,278 Top 5% higher than 95% of 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

Rosalyn's all-time total is 61x the median girls name, and Olivia still leads by a wide margin.

Metric Rosalyn Median girls name (Emerly) #1 girls name (Olivia)
All-time total births 23,278 382 567,345
Peak-year births 422 48 19,840

Rosalyn's usage pattern, beyond the headline number

Divide Rosalyn's SSA record in two at 1963 and the more recent half accounts for 50% of all births, the earlier half the remaining 50%, a genuinely balanced usage pattern. Its calmest year was 1900, with only 6 births recorded -- set against the 1955 peak of 422, that's the full swing in one name's fortunes.

Rosalyn at a glance

Top 1,000 girls' name

Total births

23,278

Since 1899

127 years of records

Peak year

1955

422 births that year

Strongest decade: 1950s

Current rank

#888

Among girls

As of 2025

Active since

1899

Recorded for 127 years

Last year on file: 2025

Rosalyn popularity over time

Annual U.S. births registered with the Social Security Administration · 1899–2025

Top 1,000 girls' name
Peak year (1955)
422
Annual births at peak, across 127 years of records
-1000100200300400500 189919171933194919651981199720132025 237

Rosalyn by decade

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

1950s was Rosalyn's strongest decade.

3,779 babies received the name during that ten-year window, about 16% of all-time use.

Rosalyn births by decade

Total births in each ten-year window

births

What this shows Peak: 1950s at 3,779 births (16% of all-time use).

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

How Rosalyn compares to similarly-sized names

Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Rosalyn's total volume

Rosalyn vs 15 similarly-sized girls names

Rosalyn vs 15 similarly-sized girls names Scatter plot of 16 data points. 0%2%4%6%8%10% 050100150200 New & already peakedOld name, single-era peakNew & still diversifyingLong history, steady all along Years in SSA records % of total births in the single peak year Rosalyn
Rosalyn vs 15 similarly-sized girls names

Rosalyn by state

Where Rosalyn concentrates geographically, total births since 1899

Geographically diffuse
Top 8 states by recorded births for the name Rosalyn
Rank State Visual share Births Share of total
#1 New York
2,615 11.2%
#2 California
1,748 7.5%
#3 Pennsylvania
1,312 5.6%
#4 Texas
1,268 5.4%
#5 Illinois
1,201 5.2%
#6 Ohio
1,109 4.8%
#7 Georgia
956 4.1%
#8 Florida
811 3.5%
New York share of Rosalyn's total US births 11.2%
Even split

2,615 of 23,278 births nationwide. Compared to a flat distribution across 39 reporting states.

Rosalyn appears in 39 states. Explore state details →

Frequently Asked Questions

How popular is the name Rosalyn?
23,278 babies have been named Rosalyn since 1899. It currently ranks #888 among girls. The peak year was 1955 with 422 births.
When was Rosalyn most popular?
Rosalyn was most popular in the 1950s decade with 3,779 total births. The single peak year was 1955.
Where is Rosalyn most popular?
The top states for the name Rosalyn are New York (2,615 births), California (1,748 births), Pennsylvania (1,312 births).
How long has the name Rosalyn been used?
Records for Rosalyn go back to 1899, giving 127 years of history through 2025.
What names are similar to Rosalyn?
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 Rosalyn's data

  • Rosalyn's usage has stayed within range of its 1950s decade-level peak (3,779 total births) through the 2020s (1,737) -- a comparatively stable name, not a fading trend.
  • New York records the most Rosalyns (2,615 births) -- see the full state breakdown if geography matters to your decision. New York names
  • 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 June 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, 1899–2025 (ssa.gov/oact/babynames).

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

Cite this page

NameAlmanac Editorial. "Rosalyn: #888 Girls' Name - 23,278 Births, Peak 1955." NameAlmanac. Accessed via https://namealmanac.com/name/rosalyn. 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 Rosalyn 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 June 2026.