Total births
712
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.
- #12190
- among girls today
- 712
- born since 1888
- 1920s
- peak decade
- 31%
- more common than other girls
Yes -- Ilo is the #12190 most popular unisex name in the U.S. today, with 712 recorded since 1888.
Ilo has 712 recorded births among girls since 1888, per the U.S. Social Security Administration, ranked #12190 as of the latest data, more common than 31% of girls, 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.
- #12190 among girls today
- 712 born since 1888
- 1920s peak decade
- 31% more common than other girls
Data updated Jun 2026
The verdict
Ilo is currently the #12190 unisex name in America, more common than 31% of girls - 712 born since 1888, peaking in the 1920s.
- #12190
- among girls today
- 712
- born since 1888
- 1920s
- peak decade
- 31%
- more common than other girls
Ilo vs. every other girls name in current SSA rankings
#12190
of 17,726 girls in use
More common than 31% of names given to girls today.
1920s
Peak decade
30% of everyone ever named Ilo was born in this single decade.
1921
Single peak year
33 babies were named Ilo in 1921 - its busiest year on record.
How Ilo compares
712 Top 38% higher than 62% of 17,726 names currently given to girls
Based on all-time total births among currently-ranked girls 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
Ilo's all-time total is 86% above the median girls name, and Olivia still leads by a wide margin.
| Metric | Ilo | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 712 | 382 | 567,345 |
| Peak-year births | 33 | 48 | 19,840 |
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 at a glance
Outside the top 1,000Peak year
1921
Current rank
#12,190
Active since
1888
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
Total births in each ten-year window, peak vs trough at a glance
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 vs 15 similarly-sized girls names
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% |
Ohio share of Ilo's total US births 10.3%
Even split
73 of 712 births nationwide. Compared to a flat distribution across 4 reporting states.
Frequently Asked Questions
How popular is the name Ilo? ▼
Ilo has been given to 712 babies in the U.S. since 1888, according to SSA data. Among girls, it ranks #12190 as of the latest data. 33 babies were born in 1921, its single highest year.
When was Ilo most popular? ▼
Ilo was most popular in the 1920s decade with 212 total births. The single peak year was 1921.
Where is Ilo most popular? ▼
The top states for the name Ilo are Ohio (73 births), Iowa (24 births), Indiana (10 births).
Is Ilo a unisex name? ▼
Yes, Ilo is used for both boys and girls. As a girl's name it has 712 births, and as a boy's name it has 67 births.
How long has the name Ilo been used? ▼
Ilo has been recorded in Social Security data since 1888, spanning 137 years of data through 2024.
What names are similar to Ilo? ▼
Names with a similar sound or spelling include Ilona, Ilomay, Ilora, Ilomae, and 1 more. These share a common prefix and are also used for girls.
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
- 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 Ilo
Nearby Names Like Ilo
Names with a similar sound, spelling, or feel to Ilo
Ilona Girl
#4786 3,332 births
Ilomay Girl
17 births
Ilora Girl
6 births
Ilomae Girl
5 births
Ilori Girl
5 births
Compare Ilo side by side: Ilo vs Ilona Ilo vs Ilomay Ilo vs Ilora
Related Names
Names with a similar popularity rank to Ilo
Data Sources
Data as of June 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).
Cite this page
NameAlmanac Editorial. "Ilo: #12190 Unisex Name - 712 Births, Peak 1921." NameAlmanac. Accessed via https://namealmanac.com/name/ilo. 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 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 June 2026.