Fiona
Girl name · #471 in 2025 · Rare
How old is the name Fiona? In official American birth records, Fiona has been tracked continuously since 1942, giving it 83 years of documented American history.
In 2025, 654 baby girls were named Fiona, placing it at #471 in the official national rankings. A decade ago it stood at #219, so the name has been falling over the past ten years. Roughly one in every 2,752 girls born in 2025 was named Fiona.
Babies named Fiona per year. Source: Official national birth records.
The 83-year story
Fiona first appears in the Social Security records in 1942, when 9 girls received the name. Its peak came in 2017, when 1,683 girls were named Fiona — good for #180 that year. Today's parents encounter it on its way down the popularity curve, which for many parents is exactly the appeal. Following the curve matters more than today's snapshot: a name's position on its rise-peak-decline arc is the best predictor of how common it will feel in a kindergarten class five years from now.
Unlock the 5-year forecast and compare Fiona against up to 5 other names.
Uniqueness: will there be another Fiona in class?
On our rarity read — which blends how common Fiona is today with its five-year momentum — the name reads as "rare". A high score means genuine rarity — your Fiona will likely be the only one in the room, with the occasional spelling-out as the price.
Where Fiona is most common
Geography matters for names, and Fiona is no exception. Adjusted for how many girls are born in each state, Fiona is most common in MA (1.6 per 1,000), OR (1.1 per 1,000), MD (1 per 1,000), IL (1 per 1,000), PA (1 per 1,000) — against a national average of about 0.5 per 1,000 girls. These are per-capita rates, so they show where Fiona is a genuine regional favorite rather than just where the most babies are born.
Names like Fiona
Statistically, parents drawn to Fiona tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Siena, Jimena, Aleena, Alayna, and Kenna.
SienaJimenaAleenaAlaynaKennaAlenaIvannaRayna
Rank history (last 25 years)
| Year | Babies named Fiona | Rank |
|---|---|---|
| 2025 | 654 | #470 |
| 2024 | 787 | #405 |
| 2023 | 767 | #400 |
| 2022 | 881 | #359 |
| 2021 | 1,073 | #299 |
| 2020 | 1,089 | #294 |
| 2019 | 1,250 | #265 |
| 2018 | 1,414 | #224 |
| 2017 | 1,683 | #180 |
| 2016 | 1,560 | #211 |
| 2015 | 1,495 | #219 |
| 2014 | 1,648 | #204 |
| 2013 | 1,640 | #197 |
| 2012 | 1,503 | #209 |
| 2011 | 1,211 | #266 |
| 2010 | 1,265 | #258 |
| 2009 | 1,051 | #314 |
| 2008 | 964 | #346 |
| 2007 | 918 | #352 |
| 2006 | 991 | #333 |
| 2005 | 844 | #371 |
| 2004 | 970 | #328 |
| 2003 | 885 | #351 |
| 2002 | 858 | #346 |
| 2001 | 694 | #414 |
Frequently asked questions
How old is the name Fiona?
In official American birth records, the name Fiona first appeared in 1942 (over 83 years ago), when 9 newborn girls received the name. It has been tracked in modern national records for 83 years.
Is Fiona a popular girl name?
Fiona ranked #471 among girls in 2025 with 654 babies given the name — inside the top 500: established but not ubiquitous. Ten years earlier it ranked #219.
When was the name Fiona most popular?
Fiona peaked in 2017, when 1,683 American girls received the name (ranked #180 that year). Since 2017 the name has declined from that high.
How rare is the name Fiona?
In 2025, roughly 1 in 2,752 newborn American girls was named Fiona. On our rarity scale (rarity blended with momentum) we classify it as "rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.