US rank #208 Girls' name Peak 1991 174,517 births

Molly — #208 US girls' name

174,517 babies named Molly in U.S. Social Security records since 1880, with the highest year being 1991. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s3061890s4541900s8031910s24471920s27971930s31201940s41611950s64571960s93661970s157191980s258901990s365682000s332702010s255502020s7609
#208
of 17,661 girls in use

More common than 99% of names given to girls today.

1990s
Peak decade

21% of everyone ever named Molly was born in this single decade.

1991
Single peak year

4,652 babies were named Molly in 1991 — its busiest year on record.

What the Data Says About Molly

The Social Security Administration has registered 174,517 babies named Molly between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a girl's name, Molly currently holds the #208 rank among girls for 2024. The name reached its historical peak in 1991, when 4,652 babies received it in a single year.

Decade-level aggregation shows that Molly performed strongest in the 1990s, accumulating 36,568 births during that ten-year window. Across the 15 decades of recorded activity, Molly shows a clear decline from its mid-century high. Geographically, the name is most concentrated in California, which accounts for 12,169 births — the largest state-level total in the dataset — followed by Ohio and New York. In total, SSA state-level files list Molly in 51 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Molly 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 174,517 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.

Molly at a glance

Top 1,000 girls' name

Total births

174,517

Since 1880

145 years of records

Peak year

1991

4,652 births that year

Strongest decade: 1990s

Current rank

#208

Among girls

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Molly popularity over time — girls

Annual U.S. births registered with the Social Security Administration · 2024–1880

Top 1,000 girls' name
Peak year (1991)
4,652
Annual births at peak — across 145 years of records
-2,00002,0004,0006,000 202420051986196719481929191018911880 18

Molly popularity over time — boys

360 total births recorded since 1972 (Molly as boys' name)

Unisex variant — 360 births
010203040 20142007199919921987198219771972 6

Molly by decade

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

Peak: 1990s
Peak decade
1990s
36,568 births that decade — 21% of Molly's all-time total
1880s3061890s4541900s8031910s24471920s27971930s31201940s41611950s64571960s93661970s157191980s258901990s365682000s332702010s255502020s7609

Molly by state

Where Molly concentrates geographically — total births since 1880

Geographically diffuse
Top 8 states by recorded births for the name Molly
Rank State Visual share Births Share of total
#1 California
12,169 7.0%
#2 Ohio
10,938 6.3%
#3 New York
10,694 6.1%
#4 Illinois
9,268 5.3%
#5 Texas
9,139 5.2%
#6 Pennsylvania
8,999 5.2%
#7 Michigan
6,998 4.0%
#8 Minnesota
6,717 3.8%
California share of Molly's total US births 7.0%
Even split

12,169 of 174,517 births nationwide. Compared to a flat distribution across 51 reporting states.

Molly appears in 51 states. Explore state details →

Frequently Asked Questions

How popular is the name Molly?
174,517 babies have been named Molly since 1880. It currently ranks #208 among girls. The peak year was 1991 with 4,652 births.
When was Molly most popular?
Molly was most popular in the 1990s decade with 36,568 total births. The single peak year was 1991.
Where is Molly most popular?
The top states for the name Molly are California (12,169 births), Ohio (10,938 births), New York (10,694 births).
How long has the name Molly been used?
Molly has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Molly?
Names with a similar sound or spelling include Mollie, Molli, Mollee, Mollye, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Molly

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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, 1880–2024 (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.