Dai is a very rare name used for both girls and boys that peaked in 2000 and has since faded.
Dai is predominantly a boy name. It last appears in U.S. records in 2025. Dai was first reported in SSA data in 1976 and peaked in 1985 (12 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 5 | 5 | #15,447 | — |
| 2020 | 6 | 6 | #13,835 | — |
| 2018 | 8 | 8 | #11,644 | — |
| 2017 | 7 | 7 | #13,029 | — |
| 2015 | 7 | 7 | — | #9,767 |
| 2011 | 5 | 5 | #17,404 | — |
| 2010 | 10 | 10 | #17,632 | #12,632 |
| 2009 | 5 | 5 | #17,956 | — |
| 2007 | 5 | 5 | #18,272 | — |
| 2006 | 6 | 6 | #15,571 | — |
| 2005 | 8 | 8 | #12,088 | — |
| 2001 | 13 | 13 | #13,918 | #8,488 |
| 2000 | 13 | 13 | #13,561 | #8,368 |
| 1999 | 8 | 8 | #10,568 | — |
| 1998 | 5 | 5 | — | #9,908 |
| 1996 | 10 | — | #13,998 | #9,291 |
| 1995 | 6 | — | — | #7,995 |
| 1993 | 7 | — | — | #6,960 |
| 1992 | 8 | — | — | #6,232 |
| 1991 | 6 | — | — | #7,459 |
| 1987 | 6 | — | — | #6,261 |
| 1986 | 9 | — | — | #4,540 |
| 1985 | 12 | — | — | #3,636 |
| 1983 | 8 | — | — | #4,590 |
| 1982 | 6 | — | — | #5,789 |
| 1981 | 8 | — | — | #4,595 |
| 1978 | 5 | — | #10,080 | — |
| 1977 | 5 | — | — | #6,019 |
| 1976 | 5 | — | — | #5,770 |