The baby name Isai appears in baby name data for the United States from 1979 to 2024. It was most popular in 2008 with 228 babies given the name.
In the later years of this period, Isai has become more popular compared with earlier years.
| Year | Count |
|---|---|
| 1979 | 6 |
| 1980 | 7 |
| 1981 | 13 |
| 1982 | 10 |
| 1983 | 15 |
| 1984 | 17 |
| 1985 | 12 |
| 1986 | 14 |
| 1987 | 12 |
| 1988 | 12 |
| 1989 | 31 |
| 1990 | 33 |
| 1991 | 27 |
| 1992 | 35 |
| 1993 | 35 |
| 1994 | 25 |
| 1995 | 51 |
| 1996 | 52 |
| 1997 | 65 |
| 1998 | 73 |
| 1999 | 96 |
| 2000 | 100 |
| 2001 | 137 |
| 2002 | 105 |
| 2003 | 108 |
| 2004 | 193 |
| 2005 | 179 |
| 2006 | 223 |
| 2007 | 220 |
| 2008 | 228 |
| 2009 | 196 |
| 2010 | 154 |
| 2011 | 120 |
| 2012 | 212 |
| 2013 | 163 |
| 2014 | 123 |
| 2015 | 161 |
| 2016 | 156 |
| 2017 | 127 |
| 2018 | 134 |
| 2019 | 124 |
| 2020 | 85 |
| 2021 | 129 |
| 2022 | 119 |
| 2023 | 112 |
| 2024 | 140 |