Fionna
Fionna was given to 6 girls in 2025, #13,765 among girls’ names; 738 Americans have been recorded with it since 1971 (Social Security Administration, published May 2026).
Girls and boys together; gaps are years SSA did not record (fewer than 5 births).
Births of Fionna by year: SSA national baby-name file, 1880-2025, published May 8, 2026. SSA’s notes on the data.
How popular is Fionna?
#13,765 among girls’ names, 2025
Fionna fell from #6,539 in 2015 to #13,765 in 2025 among girls’ names; its share of girls born fell from 10.6 to 3.7 per million.
41 babies in 2012, the peak
Fionna peaked in 2012, when 41 girls were given it, #3,805 among girls’ names. The 6 births of 2025 are 15% of that peak.
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2025 | 6 | #13,765 | 3.7 |
| 2024 | 11 | #9,125 | 6.8 |
| 2023 | 9 | #10,592 | 5.6 |
| 2022 | 10 | #9,931 | 6.1 |
| 2021 | 15 | #7,379 | 9.1 |
| 2020 | 16 | #7,023 | 9.9 |
| 2019 | 11 | #9,324 | 6.6 |
| 2018 | 28 | #4,798 | 16.5 |
| 2017 | 26 | #5,095 | 15.1 |
| 2016 | 20 | #6,252 | 11.3 |
Every recorded year (44)
| Year | Births | Rank | Per million girls |
|---|---|---|---|
| 2015 | 19 | #6,539 | 10.6 |
| 2014 | 38 | #3,949 | 21.3 |
| 2013 | 34 | #4,275 | 19.4 |
| 2012 | 41 | #3,805 | 23.3 |
| 2011 | 21 | #6,213 | 11.9 |
| 2010 | 24 | #5,676 | 13.5 |
| 2009 | 26 | #5,438 | 14.2 |
| 2008 | 19 | #6,889 | 10.0 |
| 2007 | 17 | #7,497 | 8.8 |
| 2006 | 28 | #4,999 | 14.7 |
| 2005 | 21 | #5,879 | 11.4 |
| 2004 | 31 | #4,420 | 16.9 |
| 2003 | 24 | #5,137 | 13.1 |
| 2002 | 33 | #3,910 | 18.4 |
| 2001 | 25 | #4,732 | 13.9 |
| 2000 | 24 | #4,840 | 13.2 |
| 1999 | 22 | #4,912 | 12.4 |
| 1998 | 20 | #5,204 | 11.3 |
| 1997 | 16 | #5,966 | 9.2 |
| 1996 | 12 | #7,284 | 6.8 |
| 1995 | 5 | #14,162 | 2.8 |
| 1994 | 6 | #12,283 | 3.4 |
| 1992 | 9 | #8,973 | 4.9 |
| 1990 | 8 | #9,551 | 4.2 |
| 1989 | 9 | #8,249 | 4.9 |
| 1988 | 5 | #12,416 | 2.8 |
| 1987 | 7 | #9,083 | 4.0 |
| 1986 | 9 | #7,309 | 5.2 |
| 1985 | 5 | #11,199 | 2.9 |
| 1983 | 6 | #9,397 | 3.6 |
| 1979 | 7 | #8,308 | 4.4 |
| 1977 | 5 | #10,106 | 3.3 |
| 1976 | 5 | #9,751 | 3.4 |
| 1971 | 5 | #8,731 | 3.0 |
Ranks and shares: girls’ names in each year’s SSA file; share of all girls SSA recorded that year.
Is Fionna a boy’s or a girl’s name?
Fionna has been recorded only for girls: SSA lists no boys with the name in 44 years of records (it lists a name only in years with 5 or more babies of a sex).
Girls and boys named Fionna: the SSA national file counts each sex separately.
How many people are named Fionna, and how old are they?
An estimated 729 Americans named Fionna and born in the U.S. are alive in 2026 (99% of everyone recorded); the median is 18 years old and half are between 12 and 25. An estimate from SSA’s births and life tables, not a count.
The 2020 Census counted 707 people named Fionna (705 women and girls, 2 men and boys). SSA’s births carried forward to Census day, April 1, 2020, predict 668 born in the U.S. The Census count is 6% above that prediction.
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 Fionna?
Fionna is a less common spelling of Fiona: SSA has recorded 738 Fionna and 33,964 Fiona since 1880.
Of these 5 names spelled alike, given to 35,327 babies since 1880, Fionna is the second most given (2.1% of them). In 2025 it was given to 6 of their 667 babies (<1%), the third most given that year.
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 Fionna
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 Fionna and names like it
- Compare Fionna and FionaBirths, ranks, peak and the living estimate side by side.
- The most given names of the 2010sFionna peaked in 2012.
- California’s most given namesThe state where SSA recorded the most babies named Fionna since 1910.
- The top names of 2012The year the most babies were named Fionna.
- The names of Generation ZMost people named Fionna alive today were born 1997-2012.
- Names starting with FMost given first.