Boys' name · since 1921
Mas
Since 1921, U.S. Social Security records show 11 babies named Mas, peaking in 1921. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 11
- total births
- 1921–1929
- years on record
- 1920s
- peak decade
- 100%
- born in that decade
Mas is not among the current top-ranked boys names; 11 have been recorded since 1921.
Mas has 11 recorded births among boys since 1921, per the U.S. Social Security Administration, though it falls outside today's most-used boys names, busiest in the 1920s -- see the year-by-year trends, decade totals, and state-level distribution below, all drawn directly from SSA birth-registration files spanning 1921 to 1929.
- 11 total births
- 1921–1929 years on record
- 1920s peak decade
- 100% born in that decade
Data updated Jul 2026
Mas's 11 recorded births place it above 25% of the 45,481 boys names in the full SSA archive.
The state file records this name in 1 jurisdictions, led by California.
Mas's usage pattern, beyond the headline number
Divide Mas's SSA record in two at 1929 and the more recent half accounts for 45% of all births, the earlier half the remaining 55%, a genuinely balanced usage pattern. Its calmest year was 1929, with only 5 births recorded -- set against the 1921 peak of 6, that's the full swing in one name's fortunes.
Mas popularity over time
Annual U.S. births registered with the Social Security Administration · 1921–1929
- Peak year (1921)
- 6
- Annual births at peak, across 9 years of records
Mas by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Mas's strongest decade.
11 babies received the name during that ten-year window, about 100% of all-time use.
Mas births by decade
Total births in each ten-year window
- 1920s
1920s
11 births
What this shows Peak: 1920s at 11 births (100% of all-time use).
Mas by state
Where Mas concentrates geographically, total births since 1921
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | California | | 5 | 45.5% |
5 of 11 births nationwide.
Frequently Asked Questions
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What to do with Mas's data
- California records the most Mass (5 births) -- see the full state breakdown if geography matters to your decision. California 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 Mas
Nearby Names Like Mas
Names with a similar sound, spelling, or feel to Mas
Compare Mas side by side: Mas vs Mason Mas vs Massimo Mas vs Masen
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, 1921–1929 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac. "Mas: Baby Name Since 1921 - 11 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/mas. 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 Mas 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.