Thais
Girl name · #4998 in 2025 · Very rare
How old is the name Thais? In official American birth records, Thais has been tracked continuously since 1909, giving it 116 years of documented American history.
Thais is currently the #4998 girl name in the United States — 26 babies received it in 2025. A decade ago it stood at #4144, so the name has been falling over the past ten years. Roughly one in every 69,231 girls born in 2025 was named Thais.
Babies named Thais per year. Source: Official national birth records.
The 116-year story
Thais first appears in the Social Security records in 1909, when 5 girls received the name. Its peak came in 2001, when 84 girls were named Thais — good for #2013 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 Thais against up to 5 other names.
Uniqueness: will there be another Thais in class?
On our rarity read — which blends how common Thais is today with its five-year momentum — the name reads as "very rare". A high score means genuine rarity — your Thais will likely be the only one in the room, with the occasional spelling-out as the price.
Where Thais is most common
State-level data for Thais is too sparse in 2025 to rank by rate — in most states its count falls below the SSA's per-state reporting threshold (counts under 5 are withheld).
Names like Thais
Statistically, parents drawn to Thais tend to be choosing among names with similar popularity arcs, era profiles, and sounds — the closest matches in our model are Charis, Talaya, Tyanna, Sadia, and Riana.
CharisTalayaTyannaSadiaRianaXianaNadaKatya
Rank history (last 25 years)
| Year | Babies named Thais | Rank |
|---|---|---|
| 2025 | 26 | #4987 |
| 2024 | 34 | #4207 |
| 2023 | 36 | #4047 |
| 2022 | 34 | #4202 |
| 2021 | 23 | #5398 |
| 2020 | 21 | #5667 |
| 2019 | 21 | #5798 |
| 2018 | 20 | #6010 |
| 2017 | 26 | #5045 |
| 2016 | 16 | #7230 |
| 2015 | 35 | #4144 |
| 2014 | 30 | #4657 |
| 2013 | 20 | #6255 |
| 2012 | 18 | #6872 |
| 2011 | 21 | #6148 |
| 2010 | 23 | #5771 |
| 2009 | 27 | #5226 |
| 2008 | 37 | #4179 |
| 2007 | 36 | #4213 |
| 2006 | 35 | #4165 |
| 2005 | 24 | #5266 |
| 2004 | 35 | #3989 |
| 2003 | 32 | #4109 |
| 2002 | 47 | #3069 |
| 2001 | 84 | #2013 |
Frequently asked questions
How old is the name Thais?
In official American birth records, the name Thais first appeared in 1909 (over 116 years ago), when 5 newborn girls received the name. It has been tracked in modern national records for 116 years.
Is Thais a popular girl name?
Thais ranked #4998 among girls in 2025 with 26 babies given the name — outside the top 500, making it an uncommon pick. Ten years earlier it ranked #4144.
When was the name Thais most popular?
Thais peaked in 2001, when 84 American girls received the name (ranked #2013 that year). Since 2001 the name has declined from that high.
How rare is the name Thais?
In 2025, roughly 1 in 69,231 newborn American girls was named Thais. On our rarity scale (rarity blended with momentum) we classify it as "very rare".
Data source: Official American birth records, 1880–2025, national and state files. Counts reflect registered birth records for American families.