Sai is an uncommon name used for both girls and boys that peaked in 2019 and remains in steady use.
Sai is predominantly a boy name. In 2025 it ranked #1,863 among boys (85) and #11,745 among girls (8) — overall #3,743 across all names. The charts below show girls and boys separately.
| Year | U.S. births | U.S. + territories | ♀ Rank | ♂ Rank |
|---|---|---|---|---|
| 2025 | 93 | 93 | #11,745 | #1,863 |
| 2024 | 86 | 86 | #6,601 | #2,167 |
| 2023 | 86 | 86 | #7,982 | #2,076 |
| 2022 | 90 | 90 | #6,941 | #2,078 |
| 2021 | 75 | 75 | #8,387 | #2,270 |
| 2020 | 95 | 95 | #5,288 | #2,018 |
| 2019 | 96 | 96 | #7,659 | #1,865 |
| 2018 | 78 | 78 | #9,704 | #2,117 |
| 2017 | 67 | 67 | #7,775 | #2,483 |
| 2016 | 59 | 59 | #9,987 | #2,615 |
| 2015 | 61 | 61 | #11,679 | #2,454 |
| 2014 | 66 | 66 | #8,880 | #2,423 |
| 2013 | 62 | 62 | #9,512 | #2,486 |
| 2012 | 66 | 66 | #8,142 | #2,479 |
| 2011 | 65 | 65 | #11,978 | #2,309 |
| 2010 | 60 | 60 | #8,629 | #2,672 |
| 2009 | 87 | 87 | #6,768 | #2,068 |
| 2008 | 74 | 74 | #8,451 | #2,255 |
| 2007 | 67 | 67 | #7,047 | #2,594 |
| 2006 | 58 | 58 | #7,429 | #2,817 |
| 2005 | 58 | 58 | #7,430 | #2,644 |
| 2004 | 46 | 46 | #5,929 | #3,723 |
| 2003 | 45 | 45 | #9,568 | #2,914 |
| 2002 | 51 | 51 | #5,858 | #3,004 |
| 2001 | 50 | 50 | #7,250 | #2,727 |
| 2000 | 30 | 30 | #12,871 | #3,618 |
| 1999 | 48 | 48 | #10,167 | #2,334 |
| 1998 | 23 | 23 | #9,939 | #4,826 |
| 1997 | 18 | — | — | #3,853 |
| 1996 | 24 | — | #13,126 | #3,799 |
| 1995 | 18 | — | #15,261 | #4,736 |
| 1994 | 13 | — | — | #4,744 |
| 1993 | 18 | — | — | #3,626 |
| 1992 | 17 | — | — | #3,720 |
| 1991 | 13 | — | — | #4,430 |
| 1990 | 26 | — | #12,571 | #3,146 |
| 1989 | 35 | — | #8,593 | #2,531 |
| 1988 | 8 | — | — | #5,650 |
| 1987 | 9 | — | — | #4,890 |
| 1986 | 19 | — | #10,584 | #3,617 |
| 1985 | 15 | — | #10,354 | #4,630 |
| 1984 | 12 | — | — | #3,646 |
| 1983 | 17 | — | #11,622 | #3,587 |
| 1982 | 15 | — | #6,761 | #7,175 |
| 1981 | 21 | — | #8,833 | #3,188 |
| 1980 | 14 | — | #10,070 | #4,864 |
| 1972 | 5 | — | — | #5,605 |