Dai
- Gender
- Girl
- Origin
- Welsh
- US rank, 2025
- #14,937 for girls
Dai is a girls' name of Welsh origin. In 2025 it ranked 14,937th for girls in the US (5 babies).
What does Dai mean?
Welsh
A diminutive of the male given name David, from Welsh.
From Wiktionary, CC BY-SA 4.0.
Is Dai a girl's or a boy's name?
Dai is a girls' name. In 2025, it was given to 5 girls in the US. Too few boys were given it to be listed.
How popular is Dai in the US?
- Rank in 2025
- 14,937th among girls
- Babies in 2025
- 5 about 1 in 320,000 girls
- Five-year trend
- Too rare to call too few babies to tell
- Same name in a class
- under 1% chance among 15 girls
In 2025, 5 girls in the US were named Dai, making it the 14,937th most popular name for girls. Five years earlier, in 2020, it was 13,448th. Its busiest year was 1999, with 8 girls. It first appears in the records in 1978.
2025 had more girls named Dai than any year since 2020.
Half of all the girls named Dai in the US since 1880 were born between 2000 and 2017, the years shaded on the chart below.
Dai in the US, year by year
| Year | Girls | Rank |
|---|---|---|
| 2025 | 5 | #14,937 |
| 2024 | 0 | – |
| 2023 | 0 | – |
| 2022 | 0 | – |
| 2021 | 0 | – |
| 2020 | 6 | #13,448 |
| 2019 | 0 | – |
| 2018 | 8 | #11,422 |
| 2017 | 7 | #12,709 |
| 2016 | 0 | – |
| 2015 | 0 | – |
| 2014 | 0 | – |
| 2013 | 0 | – |
| 2012 | 0 | – |
| 2011 | 5 | #16,756 |
| 2010 | 5 | #16,985 |
| 2009 | 5 | #17,288 |
| 2008 | 0 | – |
| 2007 | 5 | #17,630 |
| 2006 | 6 | #15,147 |
| 2005 | 8 | #11,828 |
| 2004 | 0 | – |
| 2003 | 0 | – |
| 2002 | 0 | – |
| 2001 | 6 | #13,514 |
| 2000 | 6 | #13,147 |
| 1999 | 8 | #10,338 |
| 1998 | 0 | – |
| 1997 | 0 | – |
| 1996 | 5 | #13,511 |
| 1995 | 0 | – |
| 1994 | 0 | – |
| 1993 | 0 | – |
| 1992 | 0 | – |
| 1991 | 0 | – |
| 1990 | 0 | – |
| 1989 | 0 | – |
| 1988 | 0 | – |
| 1987 | 0 | – |
| 1986 | 0 | – |
| 1985 | 0 | – |
| 1984 | 0 | – |
| 1983 | 0 | – |
| 1982 | 0 | – |
| 1981 | 0 | – |
| 1980 | 0 | – |
| 1979 | 0 | – |
| 1978 | 5 | #9,748 |
Names like Dai
Names given in the same years and the same naming tradition, with a similar sound.
Daisy, Grace, Nora, Cora, Clara, Sadie, Emma, Winnie, Maggie, Kate, Lydia, Callie
Names related to Dai
More Welsh names
Dylan, Owen, Maddox, Morgan, Idris, Reese, Bowen, Griffin, Rhys, Gavin, Reece, Nia, Seren, Gwendolyn, Winifred, Meredith
Sources
Figures from Popular Baby Names (US Social Security Administration). Nameling last updated them on 20 October 2026. How the figures are worked out, and the data to download.
To cite this page: Nameling, “Dai: name meaning, origin and popularity”, https://www.nameling.co.uk/names/dai, updated 20 October 2026.