Boys' name · since 1915
Lock
Since 1915, U.S. Social Security records show 21 babies named Lock, peaking in 1915. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #28,731 of 45,481
- all-time among boys
- #12,121 of 13,930
- 2025 SSA year
- 21
- born since 1915
- 1910s
- peak decade
21 babies have been named Lock since 1915, making it today's #12121 boys' name.
According to the U.S. Social Security Administration, Lock has been recorded 21 times among boys since 1915, currently ranked #12121 nationally and more common than 13% of boys, with its heaviest use in the 1910s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1915 to 2025.
- #28,731 of 45,481 all-time among boys
- #12,121 of 13,930 2025 SSA year
- 21 born since 1915
- 1910s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Lock ranks #28,731 of 45,481 boys' names by all-time recorded births (highest first) and #12,121 of 13,930 among boys' names in 2025. 21 born since 1915, peaking in the 1910s.
- #28,731 of 45,481
- all-time among boys
- #12,121 of 13,930
- 2025 SSA year
- 21
- born since 1915
- 1910s
- peak decade
Lock's 21 recorded births place it above 36.43% of the 45,481 boys names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
How Lock compares
21 8th percentile among 13,930 names currently given to boys
Based on all-time total births among currently-ranked boys names. Names with fewer occurrences are grouped into wider buckets on the right.
Source U.S. Social Security Administration, national baby name data
How the numbers stack up
Lock's all-time total is 94% below the median boys name, and Liam still leads by a wide margin.
| Metric | Lock | Median boys name (Takari) | #1 boys name (Liam) |
|---|---|---|---|
| All-time total births | 21 | 369 | 358,536 |
| Peak-year births | 6 | 34 | 22,252 |
Lock's usage pattern, beyond the headline number
Divide Lock's SSA record in two at 1926 and the more recent half accounts for 48% of all births, the earlier half the remaining 52%, a genuinely balanced usage pattern. Its calmest year was 1917, with only 5 births recorded -- set against the 1915 peak of 6, that's the full swing in one name's fortunes.
Lock popularity over time
Annual U.S. births registered with the Social Security Administration · 1915–2025
- Peak year (1915)
- 6
- Annual births at peak, across 111 years of records
Lock by decade
1910s is the heaviest window (11 births, 52% of the file).
1910s was Lock's strongest decade.
11 babies received the name during that ten-year window, about 52% of all-time use.
Lock births by decade
Total births in each ten-year window
- 1910s
1910s
11 births
- 1920s
1920s
5 births
- 2020s
2020s
5 births
What this shows Peak: 1910s at 11 births (52% of all-time use).
Frequently Asked Questions
How popular is the name Lock? ▼
Where does Lock sit in the SSA name archive? ▼
When was Lock most popular? ▼
How long has the name Lock been used? ▼
What names are similar to Lock? ▼
What to do with Lock's data
- Lock's usage has stayed within range of its 1910s decade-level peak (11 total births) through the 2020s (5) -- a comparatively stable name, not a fading trend.
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Lock
Nearby Names Like Lock
Names with a similar sound, spelling, or feel to Lock
Compare Lock side by side: Lock vs Lochlan Lock vs Locke Lock vs Lochlann
Related Names
Names with a similar popularity rank to Lock
Nationwide names with similar peak year or record span
Two nationwide peer axes for Lock: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1915)
Similar record span (~110 yrs)
Peak year is the single SSA year with the most births for that name; record span is first-to-latest year in the national files, not a recommendation or shared origin claim.
Data Sources
Data as of August 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, 1915–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
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 Lock 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 August 2026.