Unisex name · since 1920
Lo
Since 1920, U.S. Social Security records show 53 babies named Lo, peaking in 1935. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- #34,373 of 72,339
- all-time among girls
- 53
- born since 1920
- 2020s
- peak decade
Lo is not among the current top-ranked girls names; 53 have been recorded since 1920.
According to the U.S. Social Security Administration, Lo has been recorded 53 times among girls since 1920, though it is not among the currently most-used girls names, with its heaviest use in the 2020s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1920 to 2023.
- #34,373 of 72,339 all-time among girls
- 53 born since 1920
- 2020s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Lo ranks #34,373 of 72,339 girls' names by all-time recorded births (highest first). 53 born since 1920, peaking in the 2020s.
- #34,373 of 72,339
- all-time among girls
- 53
- born since 1920
- 2020s
- peak decade
Lo's 53 recorded births place it above 52.35% of the 72,339 girls names in the full SSA archive.
No state rows cleared SSA’s public reporting threshold for this name.
Lo's usage pattern, beyond the headline number
Lo splits its recorded history at 2018: 49% of all births land in the more recent half, 51% in the earlier half, an evenly balanced pattern over time. The single quietest year was 1920 (5 births) -- compare that against the 1935 peak of 6 for a sense of just how much the name's popularity has swung.
Lo popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1920–2023
- Peak year (1935)
- 6
- Annual births at peak, across 104 years of records
Lo popularity over time - boys
33 total births recorded since 1982 (Lo as boys' name)
Lo by decade
2020s is the heaviest window (21 births, 40% of the file).
2020s was Lo's strongest decade.
21 babies received the name during that ten-year window, about 40% of all-time use.
Lo births by decade
Total births in each ten-year window
- 1920s 5
1920s
5 births
- 1930s
1930s
16 births
- 1950s 6
1950s
6 births
- 2010s 5
2010s
5 births
- 2020s
2020s
21 births
What this shows Peak: 2020s at 21 births (40% of all-time use).
Frequently Asked Questions
How popular is the name Lo? ▼
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Keep exploring Lo
Nearby Names Like Lo
Names with a similar sound, spelling, or feel to Lo
Compare Lo side by side: Lo vs Lori Lo vs Louise Lo vs Lois
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Lo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1935)
Similar record span (~103 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, 1920–2023 (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 Lo 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.