Total births
1,800
Girls' name · since 1898
Illa
1,800 babies named Illa in U.S. Social Security records since 1898, with the highest year being 1926. Year-by-year trend, decade aggregates, and state-level rankings drawn from federal birth data.
- #11158
- among girls today
- 1,800
- born since 1898
- 1920s
- peak decade
- 37%
- more common than other girls
Illa currently ranks #11158 among girls' names in America, with 1,800 babies recorded since 1898.
According to the U.S. Social Security Administration, Illa has been recorded 1,800 times among girls since 1898, currently ranked #11158 nationally and more common than 37% of girls, with its heaviest use in the 1920s. This profile covers year-by-year birth trends, decade totals, and state-level distribution, all derived directly from SSA birth-registration files spanning 1898 to 2025.
- #11158 among girls today
- 1,800 born since 1898
- 1920s peak decade
- 37% more common than other girls
Data updated Jul 2026
The verdict
Illa is currently the #11158 girls' name in America, more common than 37% of girls - 1,800 born since 1898, peaking in the 1920s.
- #11158
- among girls today
- 1,800
- born since 1898
- 1920s
- peak decade
- 37%
- more common than other girls
Illa vs. every other girls name in current SSA rankings
#11158
of 17,726 girls in use
More common than 37% of names given to girls today.
1920s
Peak decade
25% of everyone ever named Illa was born in this single decade.
1926
Single peak year
58 babies were named Illa in 1926 - its busiest year on record.
How Illa compares
1,800 Top 23% higher than 77% 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
Illa's all-time total is 5x the median girls name, and Olivia still leads by a wide margin.
| Metric | Illa | Median girls name (Emerly) | #1 girls name (Olivia) |
|---|---|---|---|
| All-time total births | 1,800 | 382 | 567,345 |
| Peak-year births | 58 | 48 | 19,840 |
Illa's usage pattern, beyond the headline number
Illa splits its recorded history at 1943: 29% of all births land in the more recent half, 71% in the earlier half, leaning more toward its earlier era than today's. The single quietest year was 1898 (5 births) -- compare that against the 1926 peak of 58 for a sense of just how much the name's popularity has swung.
Illa at a glance
Outside the top 1,000Peak year
1926
Current rank
#11,158
Active since
1898
Illa popularity over time
Annual U.S. births registered with the Social Security Administration · 1898–2025
- Peak year (1926)
- 58
- Annual births at peak, across 128 years of records
Illa by decade
Total births in each ten-year window, peak vs trough at a glance
1920s was Illa's strongest decade.
450 babies received the name during that ten-year window, about 25% of all-time use.
Illa births by decade
Total births in each ten-year window
- 1890s 5
1890s
5 births
- 1900s 51
1900s
51 births
- 1910s
1910s
281 births
- 1920s
1920s
450 births
- 1930s
1930s
402 births
- 1940s
1940s
248 births
- 1950s 118
1950s
118 births
- 1960s 40
1960s
40 births
- 1980s 7
1980s
7 births
- 2000s 17
2000s
17 births
- 2010s 104
2010s
104 births
- 2020s 77
2020s
77 births
What this shows Peak: 1920s at 450 births (25% of all-time use).
How Illa 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 Illa's total volume
Illa vs 15 similarly-sized girls names
Illa by state
Where Illa concentrates geographically, total births since 1898
| Rank | State | Visual share | Births | Share of total |
|---|---|---|---|---|
| #1 | Texas | | 30 | 1.7% |
| #2 | Tennessee | | 28 | 1.6% |
| #3 | Kentucky | | 16 | 0.9% |
| #4 | Michigan | | 16 | 0.9% |
| #5 | Oklahoma | | 10 | 0.6% |
| #6 | Nebraska | | 6 | 0.3% |
| #7 | Georgia | | 5 | 0.3% |
Texas share of Illa's total US births 1.7%
Even split
30 of 1,800 births nationwide. Compared to a flat distribution across 7 reporting states.
Frequently Asked Questions
How popular is the name Illa? ▼
Since 1898, Social Security records show 1,800 babies named Illa. Today it holds rank #11158 among girls. Its busiest year on record was 1926, with 58 births.
When was Illa most popular? ▼
Illa was most popular in the 1920s decade with 450 total births. The single peak year was 1926.
Where is Illa most popular? ▼
The top states for the name Illa are Texas (30 births), Tennessee (28 births), Kentucky (16 births).
How long has the name Illa been used? ▼
Records for Illa go back to 1898, giving 128 years of history through 2025.
What names are similar to Illa? ▼
Names with a similar sound or spelling include Illiana, Illyana, Illianna, Illeana, and 4 more. These share a common prefix and are also used for girls.
What to do with Illa's data
- Illa's decade-level peak was the 1920s (450 total births); usage has since declined to 77 in the 2020s -- if you're weighing a "classic revival" angle, the trend line argues against it.
- Texas records the most Illas (30 births) -- see the full state breakdown if geography matters to your decision. Texas 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 Illa
Nearby Names Like Illa
Names with a similar sound, spelling, or feel to Illa
Illiana Girl
#2310 2,095 births
Illyana Girl
#5084 706 births
Illianna Girl
#7792 478 births
Illeana Girl
#13639 384 births
Illene Girl
368 births
Compare Illa side by side: Illa vs Illiana Illa vs Illyana Illa vs Illianna
Related Names
Names with a similar popularity rank to Illa
Carma #11157
4,169 births · Peak 1961
Ambrosia #11159
1,700 births · Peak 1981
Nydia #11156
3,704 births · Peak 1992
Heloise #11160
705 births · Peak 1915
Sayde #11155
725 births · Peak 2009
Marcelline #11161
1,073 births · Peak 1928
Merna #11154
2,461 births · Peak 1930
Marita #11162
5,088 births · Peak 1954
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, 1898–2025 (ssa.gov/oact/babynames).
State-level: Source: U.S. Social Security Administration, Baby Names, State-Level Files (namesbystate.zip).
Cite this page
NameAlmanac Editorial. "Illa: #11158 Girls' Name - 1,800 Births, Peak 1926." NameAlmanac. Accessed via https://namealmanac.com/name/illa. 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 Illa 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.