Unisex name · since 1888
Ilo
712 babies named Ilo in U.S. Social Security records since 1888, with the highest year being 1921. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #9,415 of 72,339
- all-time among girls
- 712
- born since 1888
- 1920s
- peak decade
Ilo is not among the current top-ranked girls names; 712 have been recorded since 1888.
Ilo has 712 recorded births among girls since 1888, per the U.S. Social Security Administration, though it falls outside today's most-used girls 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 1888 to 2024.
- #9,415 of 72,339 all-time among girls
- 712 born since 1888
- 1920s peak decade
Data updated Aug 2026
The verdict
According to the U.S. Social Security Administration, Ilo ranks #9,415 of 72,339 girls' names by all-time recorded births (highest first). 712 born since 1888, peaking in the 1920s.
- #9,415 of 72,339
- all-time among girls
- 712
- born since 1888
- 1920s
- peak decade
Ilo's 712 recorded births place it above 86.98% of the 72,339 girls names in the full SSA archive.
The state file records this name in 4 jurisdictions, led by Ohio.
Ilo's usage pattern, beyond the headline number
Divide Ilo's SSA record in two at 1918 and the more recent half accounts for 56% of all births, the earlier half the remaining 44%, a genuinely balanced usage pattern. Its calmest year was 1889, with only 5 births recorded -- set against the 1921 peak of 33, that's the full swing in one name's fortunes.
Ilo popularity over time - girls
Annual U.S. births registered with the Social Security Administration · 1888–2024
- Peak year (1921)
- 33
- Annual births at peak, across 137 years of records
Ilo popularity over time - boys
67 total births recorded since 1918 (Ilo as boys' name)
Ilo by decade
1920s is the heaviest window (212 births, 30% of the file).
1920s was Ilo's strongest decade.
212 babies received the name during that ten-year window, about 30% of all-time use.
Ilo births by decade
Total births in each ten-year window
- 1880s 11
1880s
11 births
- 1890s 64
1890s
64 births
- 1900s
1900s
92 births
- 1910s
1910s
191 births
- 1920s
1920s
212 births
- 1930s
1930s
103 births
- 1940s 20
1940s
20 births
- 2010s 6
2010s
6 births
- 2020s 13
2020s
13 births
What this shows Peak: 1920s at 212 births (30% of all-time use).
How Ilo compares to similarly-sized names
Years in SSA records vs. share of all-time use concentrated in the single peak year, among 15 girls names closest to Ilo's total volume
Ilo by state
Where Ilo concentrates geographically, total births since 1888
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Ohio | | 73 | 10.3% |
| #2 | Iowa | | 24 | 3.4% |
| #3 | Indiana | | 10 | 1.4% |
| #4 | Minnesota | | 6 | 0.8% |
73 of 712 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
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What to do with Ilo's data
- Ilo's decade-level peak was the 1920s (212 total births); usage has since declined to 13 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Ohio records the most Ilos (73 births) -- see the full state breakdown if geography matters to your decision. Ohio names
Figures reflect SSA-reported births only; see the methodology above for the privacy-suppression floor.
Keep exploring Ilo
Nearby Names Like Ilo
Names with a similar sound, spelling, or feel to Ilo
Compare Ilo side by side: Ilo vs Ilona Ilo vs Ilomay Ilo vs Ilora
Related Names
Names with a similar number of total births
Nationwide names with similar peak year or record span
Two nationwide peer axes for Ilo: closest SSA peak year, and closest first→latest record span. Distinct from the spelling and current-rank neighborhoods above.
Similar peak year (~1921)
Similar record span (~136 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, 1888–2024 (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 Ilo 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.