US rank #888 Girls' name Peak 1955 23,040 births

Rosalyn — #888 US girls' name

23,040 babies named Rosalyn in U.S. Social Security records since 1899, with the highest year being 1955. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1890s71900s1001910s7401920s16691930s18311940s25801950s37791960s28081970s19821980s15521990s9332000s11922010s23682020s1499
#888
of 17,661 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.

What the Data Says About Rosalyn

The Social Security Administration has registered 23,040 babies named Rosalyn between 1899 and 2024, spanning 126 consecutive years of U.S. birth records. As a girl's name, Rosalyn currently holds the #888 rank among girls for 2024. The name reached its historical peak in 1955, when 422 babies received it in a single year.

Decade-level aggregation shows that Rosalyn performed strongest in the 1950s, accumulating 3,779 births during that ten-year window. Across the 14 decades of recorded activity, Rosalyn shows notable generational variation in parental adoption. Geographically, the name is most concentrated in New York, which accounts for 2,615 births — the largest state-level total in the dataset — followed by California and Pennsylvania. In total, SSA state-level files list Rosalyn in 39 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Rosalyn in our reference dataset. These figures derive from SSA's annual national and state-level name files, which include any name appearing at least five times in a given year or state-year; names below that threshold are suppressed for privacy and therefore excluded from the totals shown here. The 23,040 total represents a lower bound — actual usage may be higher in years or states where the count fell below the disclosure floor. This page is provided for informational and research purposes only and does not constitute personal, legal, or naming advice.

Rosalyn at a glance

Top 1,000 girls' name

Total births

23,040

Since 1899

126 years of records

Peak year

1955

422 births that year

Strongest decade: 1950s

Current rank

#888

Among girls

As of 2024

Active since

1899

Recorded for 126 years

Last year on file: 2024

Rosalyn popularity over time

Annual U.S. births registered with the Social Security Administration · 2024–1899

Top 1,000 girls' name
Peak year (1955)
422
Annual births at peak — across 126 years of records
-1000100200300400500 202420081992197619601944192819121899 7

Rosalyn by decade

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

Peak: 1950s
Peak decade
1950s
3,779 births that decade — 16% of Rosalyn's all-time total
1890s71900s1001910s7401920s16691930s18311940s25801950s37791960s28081970s19821980s15521990s9332000s11922010s23682020s1499

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 11.3%
#2 California
1,720 7.5%
#3 Pennsylvania
1,300 5.6%
#4 Texas
1,247 5.4%
#5 Illinois
1,201 5.2%
#6 Ohio
1,098 4.8%
#7 Georgia
947 4.1%
#8 Michigan
799 3.5%
New York share of Rosalyn's total US births 11.3%
Even split

2,615 of 23,040 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?
23,040 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 (1,720 births), Pennsylvania (1,300 births).
How long has the name Rosalyn been used?
Rosalyn has been recorded in Social Security data since 1899, spanning 126 years of data through 2024.
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.

Keep exploring Rosalyn

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Data Sources

Data as of 2024. Source: U.S. Social Security Administration (SSA).

Primary: Source: U.S. Social Security Administration, Baby Names from Social Security Card Applications — National Data, 1899–2024 (ssa.gov/oact/babynames). National-level data includes all names with 5 or more occurrences in a given year.

State-level: Source: U.S. Social Security Administration, Baby Names — State-Level Files (namesbystate.zip). Includes all names with 5 or more occurrences per state per year; rarer names are excluded for privacy.