Sou is a very rare boys' name that was most common in the 1980s and has all but disappeared.
Sou is a boy name. It last appears in U.S. records in 1997. Sou was first reported in SSA data in 1981 and peaked in 1982 (11 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 1997 | 7 | — | #7,997 |
| 1995 | 6 | — | #8,736 |
| 1994 | 10 | — | #5,818 |
| 1993 | 9 | — | #6,159 |
| 1992 | 7 | — | #7,293 |
| 1991 | 9 | — | #5,874 |
| 1990 | 9 | — | #5,749 |
| 1989 | 8 | — | #6,150 |
| 1988 | 5 | — | #8,345 |
| 1987 | 6 | — | #6,833 |
| 1986 | 6 | — | #6,622 |
| 1985 | 7 | — | #5,688 |
| 1983 | 7 | — | #5,414 |
| 1982 | 11 | — | #3,921 |
| 1981 | 6 | — | #6,151 |