US rank #5137 Girls' name Peak 1920 1,332 births

Alys — #5137 US girls' name

1,332 babies named Alys in U.S. Social Security records since 1880, with the highest year being 1920. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.

1880s111890s261900s601910s1701920s1991930s981940s831950s901960s701970s651980s821990s622000s842010s1332020s99
#5137
of 17,661 girls in use

More common than 71% of names given to girls today.

1920s
Peak decade

15% of everyone ever named Alys was born in this single decade.

1920
Single peak year

29 babies were named Alys in 1920 — its busiest year on record.

What the Data Says About Alys

The Social Security Administration has registered 1,332 babies named Alys between 1880 and 2024, spanning 145 consecutive years of U.S. birth records. As a girl's name, Alys currently holds the #5137 rank among girls for 2024. The name reached its historical peak in 1920, when 29 babies received it in a single year.

Decade-level aggregation shows that Alys performed strongest in the 1920s, accumulating 199 births during that ten-year window. Across the 15 decades of recorded activity, Alys shows notable generational variation in parental adoption. Geographically, the name is most concentrated in California, which accounts for 5 births — the largest state-level total in the dataset — followed by Florida and New York. In total, SSA state-level files list Alys in 5 of the 51 U.S. reporting jurisdictions.

No etymological entry is currently available for Alys 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 1,332 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.

Alys at a glance

Outside the top 1,000

Total births

1,332

Since 1880

145 years of records

Peak year

1920

29 births that year

Strongest decade: 1920s

Current rank

#5,137

Among girls

As of 2024

Active since

1880

Recorded for 145 years

Last year on file: 2024

Alys popularity over time

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

Outside the top 1,000
Peak year (1920)
29
Annual births at peak — across 145 years of records
010203040 202420091991197219571941192519101880 5

Alys by decade

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

Peak: 1920s
Peak decade
1920s
199 births that decade — 15% of Alys's all-time total
1880s111890s261900s601910s1701920s1991930s981940s831950s901960s701970s651980s821990s622000s842010s1332020s99

Alys by state

Where Alys concentrates geographically — total births since 1880

Geographically diffuse
Top 5 states by recorded births for the name Alys
Rank State Visual share Births Share of total
#1 California
5 0.4%
#2 Florida
5 0.4%
#3 New York
5 0.4%
#4 Pennsylvania
5 0.4%
#5 Texas
5 0.4%
California share of Alys's total US births 0.4%
Even split

5 of 1,332 births nationwide. Compared to a flat distribution across 5 reporting states.

Frequently Asked Questions

How popular is the name Alys?
1,332 babies have been named Alys since 1880. It currently ranks #5137 among girls. The peak year was 1920 with 29 births.
When was Alys most popular?
Alys was most popular in the 1920s decade with 199 total births. The single peak year was 1920.
Where is Alys most popular?
The top states for the name Alys are California (5 births), Florida (5 births), New York (5 births).
How long has the name Alys been used?
Alys has been recorded in Social Security data since 1880, spanning 145 years of data through 2024.
What names are similar to Alys?
Names with a similar sound or spelling include Alyssa, Alyson, Alyce, Alycia, and 4 more. These share a common prefix and are also used for girls.

Keep exploring Alys

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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.