Total births
577
Girls' name · since 1933
Harolyn
Since 1933, U.S. Social Security records show 577 babies named Harolyn, peaking in 1945. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 577
- total births
- 1933–1979
- years on record
- 1940s
- peak decade
- 30%
- born in that decade
Harolyn is not among the current top-ranked girls names; 577 have been recorded since 1933.
Social Security Administration records show Harolyn recorded 577 times among girls since 1933, though it doesn't currently rank among the most-used girls names, peaking in the 1940s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1933 to 1979.
- 577 total births
- 1933–1979 years on record
- 1940s peak decade
- 30% born in that decade
Data updated Jul 2026
The verdict
577 girls have been named Harolyn since 1933, peaking in the 1940s, last recorded in 1979.
- 577
- total births
- 1933–1979
- years on record
- 1940s
- peak decade
- 30%
- born in that decade
1940s
Peak decade
30% of everyone ever named Harolyn was born in this single decade.
1945
Single peak year
45 babies were named Harolyn in 1945 - its busiest year on record.
Harolyn's usage pattern, beyond the headline number
Splitting Harolyn's full recorded timeline at 1954, 44% of its total births fall in the more recent half of the record versus 56% in the earlier half -- a fairly even split across the full record. Its quietest year on record was 1935, with just 5 recorded births -- worth weighing against the 1945 peak of 45 to see the full range of the name's swing in popularity.
Harolyn at a glance
Last recorded 1979Peak year
1945
Current rank
Unranked
Active since
1933
Harolyn popularity over time
Annual U.S. births registered with the Social Security Administration · 1933–1979
- Peak year (1945)
- 45
- Annual births at peak, across 47 years of records
Harolyn by decade
Total births in each ten-year window, peak vs trough at a glance
1940s was Harolyn's strongest decade.
173 babies received the name during that ten-year window, about 30% of all-time use.
Harolyn births by decade
Total births in each ten-year window
- 1930s
1930s
87 births
- 1940s
1940s
173 births
- 1950s
1950s
156 births
- 1960s
1960s
123 births
- 1970s 38
1970s
38 births
What this shows Peak: 1940s at 173 births (30% of all-time use).
How Harolyn 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 Harolyn's total volume
Harolyn vs 15 similarly-sized girls names
Harolyn by state
Where Harolyn concentrates geographically, total births since 1933
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 18 | 3.1% |
| #2 | Pennsylvania | | 6 | 1.0% |
New York share of Harolyn's total US births 3.1%
Even split
18 of 577 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Harolyn? ▼
577 babies have been named Harolyn since 1933. It was last recorded in 1979. The peak year was 1945 with 45 births.
When was Harolyn most popular? ▼
Harolyn was most popular in the 1940s decade with 173 total births. The single peak year was 1945.
Where is Harolyn most popular? ▼
The top states for the name Harolyn are New York (18 births), Pennsylvania (6 births).
How long has the name Harolyn been used? ▼
Harolyn has been recorded in Social Security data since 1933, spanning 47 years of data through 1979.
What names are similar to Harolyn? ▼
Names with a similar sound or spelling include Harper, Harriet, Harmony, Harley, and 4 more. These share a common prefix and are also used for girls.
What to do with Harolyn's data
- Harolyn's decade-level peak was the 1940s (173 total births); usage has since declined to 38 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Harolyns (18 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.
Keep exploring Harolyn
Nearby Names Like Harolyn
Names with a similar sound, spelling, or feel to Harolyn
Harper Girl
#12 139,063 births
Harriet Girl
#1149 90,306 births
Harmony Girl
#264 36,226 births
Harley Girl
#396 31,167 births
Harriett Girl
#11124 21,621 births
Compare Harolyn side by side: Harolyn vs Harper Harolyn vs Harriet Harolyn vs Harmony
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, 1933–1979 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Harolyn: Baby Name Since 1933 - 577 Births, Peak 1945." NameAlmanac. Accessed via https://namealmanac.com/name/harolyn. 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 Harolyn 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.