Illianna
Illianna was given to 21 girls in 2025, #5,795 among girls’ names; 478 Americans have been recorded with it since 1995 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Illianna by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Illianna?
#5,795 among girls’ names, 2025
Illianna rose from #5,902 in 2015 to #5,795 in 2025 among girls’ names; its share of girls born rose from 12.3 to 13.1 per million.
27 babies in 2018, the peak
Illianna peaked in 2018, when 27 girls were given it, #4,928 among girls’ names. The 21 births of 2025 are 78% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 21 | #5,795 | 13.1 |
| 2024 | 14 | #7,739 | 8.6 |
| 2023 | 21 | #5,823 | 13.1 |
| 2022 | 22 | #5,700 | 13.4 |
| 2021 | 16 | #7,058 | 9.8 |
| 2020 | 20 | #5,940 | 12.4 |
| 2019 | 12 | #8,789 | 7.1 |
| 2018 | 27 | #4,928 | 15.9 |
| 2017 | 25 | #5,231 | 14.5 |
| 2016 | 24 | #5,515 | 13.5 |
Every recorded year (29)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2015 | 22 | #5,902 | 12.3 |
| 2014 | 16 | #7,436 | 9.0 |
| 2013 | 22 | #5,892 | 12.5 |
| 2012 | 22 | #5,983 | 12.5 |
| 2011 | 26 | #5,274 | 14.8 |
| 2010 | 25 | #5,488 | 14.1 |
| 2009 | 21 | #6,396 | 11.4 |
| 2008 | 20 | #6,647 | 10.6 |
| 2007 | 11 | #10,384 | 5.7 |
| 2006 | 16 | #7,621 | 8.4 |
| 2005 | 14 | #8,052 | 7.6 |
| 2004 | 7 | #13,266 | 3.8 |
| 2003 | 9 | #10,747 | 4.9 |
| 2002 | 8 | #11,500 | 4.5 |
| 2001 | 10 | #9,640 | 5.6 |
| 2000 | 7 | #12,272 | 3.9 |
| 1999 | 8 | #10,703 | 4.5 |
| 1997 | 7 | #11,268 | 4.0 |
| 1995 | 5 | #14,255 | 2.8 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Illianna a boy’s or a girl’s name?
Illianna has been recorded only for girls: SSA lists no boys with the name in 29 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Illianna: the SSA national file counts each sex separately.
How many people are named Illianna, and how old are they?
An estimated 474 Americans named Illianna and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 12 years old and half are between 7 and 18. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 319 people named Illianna (319 women and girls, 0 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 366 born in the U.S. The Census count is 13% below that prediction. Possible reasons: people who give a short form or another name to the Census, and a survival estimate that can run high.
Living estimate: SSA births carried forward with the survival rates in SSA’s cohort life tables (2024 Trustees Report) for each birth year and sex. How the estimate is made. Count: Census Bureau, first names in the 2020 Census (released April 14, 2026; names reported 100 or more times, with the Bureau’s disclosure-avoidance adjustment).
How common is the spelling Illianna?
Illianna is a less common spelling of Iliana: SSA has recorded 478 Illianna and 13,339 Iliana since 1880.
Of these 8 names spelled alike, given to 19,007 babies since 1880, Illianna is the sixth most given (2.5% of them). In 2025 it was given to 21 of their 568 babies (3.7%), again the sixth most given.
Spelled alike: names in the SSA national file with the same pattern of letters and sounds and at most two letters apart, and Wiktionary’s listed forms; births since 1880 and in 2025, and each name’s peak year, from the SSA national file, published May 8, 2026. Some are separate names, not spellings of one.
Names that rose and fell in the same decades as Illianna
Names whose births rose and fell across the same decades, measured on each decade’s share of births.
Similar histories: each decade’s share of births, from the SSA national file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
More about Illianna and names like it
- Compare Illianna and IlianaBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2010sIllianna peaked in 2018.
- Texas’s most given namesThe state where SSA recorded the most babies named Illianna since 1910.
- The top names of 2018The year the most babies were named Illianna.
- The names of Generation AlphaMost people named Illianna alive today were born 2013-2025.
- Names starting with IMost given first.