Wai is a very rare name used for both girls and boys that was most common in the 1980s and has all but disappeared.
Wai is predominantly a boy name. It last appears in U.S. records in 1999. Wai was first reported in SSA data in 1970 and peaked in 1977 (15 births).
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 1999 | 5 | 5 | #16,859 | — |
| 1997 | 5 | — | #16,078 | — |
| 1995 | 5 | — | — | #10,272 |
| 1994 | 7 | — | — | #7,736 |
| 1992 | 10 | — | #15,548 | #9,773 |
| 1990 | 7 | — | #11,384 | — |
| 1989 | 10 | — | — | #5,146 |
| 1988 | 7 | — | — | #6,397 |
| 1987 | 14 | — | #11,281 | #5,437 |
| 1986 | 13 | — | — | #3,645 |
| 1985 | 6 | — | — | #6,503 |
| 1984 | 23 | — | #6,799 | #3,451 |
| 1983 | 19 | — | #8,030 | #3,875 |
| 1982 | 26 | — | #5,527 | #3,475 |
| 1981 | 7 | — | — | #5,452 |
| 1980 | 8 | — | — | #4,926 |
| 1979 | 16 | — | #8,044 | #4,830 |
| 1978 | 8 | — | — | #4,540 |
| 1977 | 22 | — | #8,421 | #2,905 |
| 1976 | 22 | — | #6,597 | #3,090 |
| 1974 | 5 | — | — | #5,982 |
| 1973 | 7 | — | — | #4,488 |
| 1971 | 5 | — | #9,612 | — |
| 1970 | 5 | — | — | #5,416 |