The baby name Kao appears in baby name data for the United States from 1981 to 1995. It was most popular in 1981 with 15 babies given the name.
Over the period shown, Kao has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1981 | 15 |
| 1982 | 11 |
| 1983 | 5 |
| 1983 | 5 |
| 1986 | 6 |
| 1988 | 5 |
| 1991 | 13 |
| 1992 | 6 |
| 1993 | 6 |
| 1995 | 6 |
| 1995 | 6 |