Total births
251
Girls' name · since 1940
Illona
Since 1940, U.S. Social Security records show 251 babies named Illona, peaking in 1946. See the year-by-year trend, decade totals, and state rankings below, sourced from federal birth data.
- 251
- total births
- 1940–1972
- years on record
- 1940s
- peak decade
- 51%
- born in that decade
Illona is not among the current top-ranked girls names; 251 have been recorded since 1940.
Social Security Administration records show Illona recorded 251 times among girls since 1940, though it doesn't currently rank among the most-used girls names, peaking in the 1940s. This profile derives year-by-year birth trends, decade totals, and state-level distribution directly from SSA birth-registration files spanning 1940 to 1972.
- 251 total births
- 1940–1972 years on record
- 1940s peak decade
- 51% born in that decade
Data updated Jul 2026
The verdict
251 girls have been named Illona since 1940, peaking in the 1940s, last recorded in 1972.
- 251
- total births
- 1940–1972
- years on record
- 1940s
- peak decade
- 51%
- born in that decade
1940s
Peak decade
51% of everyone ever named Illona was born in this single decade.
1946
Single peak year
23 babies were named Illona in 1946 - its busiest year on record.
Illona's usage pattern, beyond the headline number
Illona splits its recorded history at 1952: 36% of all births land in the more recent half, 64% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1940 (5 births) -- compare that against the 1946 peak of 23 for a sense of just how much the name's popularity has swung.
Illona at a glance
Last recorded 1972Peak year
1946
Current rank
Unranked
Active since
1940
Illona popularity over time
Annual U.S. births registered with the Social Security Administration · 1940–1972
- Peak year (1946)
- 23
- Annual births at peak, across 33 years of records
Illona by decade
Total births in each ten-year window, peak vs trough at a glance
1940s was Illona's strongest decade.
129 babies received the name during that ten-year window, about 51% of all-time use.
Illona births by decade
Total births in each ten-year window
- 1940s
1940s
129 births
- 1950s
1950s
96 births
- 1960s 16
1960s
16 births
- 1970s 10
1970s
10 births
What this shows Peak: 1940s at 129 births (51% of all-time use).
Illona by state
Where Illona concentrates geographically, total births since 1940
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | New York | | 11 | 4.4% |
| #2 | Pennsylvania | | 11 | 4.4% |
New York share of Illona's total US births 4.4%
Even split
11 of 251 births nationwide. Compared to a flat distribution across 2 reporting states.
Frequently Asked Questions
How popular is the name Illona? ▼
Since 1940, Social Security records show 251 babies named Illona. The most recent recorded year was 1972. Its busiest year on record was 1946, with 23 births.
When was Illona most popular? ▼
Illona was most popular in the 1940s decade with 129 total births. The single peak year was 1946.
Where is Illona most popular? ▼
The top states for the name Illona are New York (11 births), Pennsylvania (11 births).
How long has the name Illona been used? ▼
Illona has been recorded in Social Security data since 1940, spanning 33 years of data through 1972.
What names are similar to Illona? ▼
Names with a similar sound or spelling include Illiana, Illa, Illyana, Illianna, and 4 more. These share a common prefix and are also used for girls.
What to do with Illona's data
- Illona's decade-level peak was the 1940s (129 total births); usage has since declined to 10 in the 1970s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- New York records the most Illonas (11 births) -- see the full state breakdown if geography matters to your decision. New York 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 Illona
Nearby Names Like Illona
Names with a similar sound, spelling, or feel to Illona
Illiana Girl
#2310 2,095 births
Illa Girl
#11158 1,800 births
Illyana Girl
#5084 706 births
Illianna Girl
#7792 478 births
Illeana Girl
#13639 384 births
Compare Illona side by side: Illona vs Illiana Illona vs Illa Illona vs Illyana
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, 1940–1972 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Illona: Baby Name Since 1940 - 251 Births, Peak 1946." NameAlmanac. Accessed via https://namealmanac.com/name/illona. 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 Illona 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.