The baby name Kainoa appears in baby name data for the United States from 1975 to 2024. It was most popular in 2016 with 83 babies given the name.
In the later years of this period, Kainoa has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1975 | 12 |
| 1977 | 18 |
| 1978 | 14 |
| 1979 | 16 |
| 1980 | 12 |
| 1980 | 16 |
| 1981 | 22 |
| 1983 | 20 |
| 1984 | 10 |
| 1984 | 28 |
| 1985 | 12 |
| 1986 | 20 |
| 1987 | 18 |
| 1988 | 28 |
| 1989 | 30 |
| 1990 | 22 |
| 1991 | 66 |
| 1992 | 50 |
| 1993 | 42 |
| 1994 | 62 |
| 1995 | 50 |
| 1996 | 50 |
| 1997 | 38 |
| 1998 | 44 |
| 1999 | 42 |
| 2000 | 52 |
| 2001 | 48 |
| 2002 | 56 |
| 2003 | 62 |
| 2004 | 44 |
| 2005 | 77 |
| 2006 | 44 |
| 2007 | 59 |
| 2008 | 55 |
| 2009 | 34 |
| 2010 | 43 |
| 2011 | 35 |
| 2012 | 45 |
| 2013 | 58 |
| 2014 | 41 |
| 2015 | 57 |
| 2016 | 83 |
| 2017 | 63 |
| 2018 | 47 |
| 2019 | 58 |
| 2020 | 30 |
| 2021 | 60 |
| 2022 | 37 |
| 2023 | 55 |
| 2024 | 50 |