The baby name Isiah appears in baby name data for the United States from 1910 to 2024. It was most popular in 1999 with 861 babies given the name.
Over the period shown, Isiah has stayed at a similar level of popularity.
| Year | Count |
|---|---|
| 1910 | 56 |
| 1911 | 46 |
| 1912 | 81 |
| 1913 | 47 |
| 1914 | 118 |
| 1915 | 119 |
| 1916 | 103 |
| 1917 | 119 |
| 1918 | 168 |
| 1919 | 177 |
| 1920 | 163 |
| 1921 | 142 |
| 1922 | 175 |
| 1923 | 173 |
| 1924 | 167 |
| 1925 | 158 |
| 1926 | 167 |
| 1927 | 117 |
| 1928 | 151 |
| 1929 | 195 |
| 1930 | 185 |
| 1931 | 137 |
| 1932 | 121 |
| 1933 | 113 |
| 1934 | 91 |
| 1935 | 86 |
| 1936 | 111 |
| 1937 | 95 |
| 1938 | 104 |
| 1939 | 113 |
| 1940 | 91 |
| 1941 | 93 |
| 1942 | 105 |
| 1943 | 128 |
| 1944 | 132 |
| 1945 | 81 |
| 1946 | 134 |
| 1947 | 121 |
| 1948 | 125 |
| 1949 | 126 |
| 1950 | 94 |
| 1951 | 84 |
| 1952 | 113 |
| 1953 | 127 |
| 1954 | 110 |
| 1955 | 116 |
| 1956 | 82 |
| 1957 | 98 |
| 1958 | 99 |
| 1959 | 93 |
| 1960 | 37 |
| 1961 | 52 |
| 1962 | 68 |
| 1963 | 39 |
| 1964 | 88 |
| 1965 | 22 |
| 1966 | 42 |
| 1967 | 59 |
| 1968 | 39 |
| 1969 | 27 |
| 1970 | 11 |
| 1971 | 17 |
| 1972 | 21 |
| 1973 | 12 |
| 1974 | 19 |
| 1975 | 36 |
| 1976 | 33 |
| 1977 | 13 |
| 1978 | 27 |
| 1979 | 39 |
| 1980 | 34 |
| 1981 | 78 |
| 1982 | 100 |
| 1983 | 76 |
| 1984 | 92 |
| 1985 | 129 |
| 1986 | 60 |
| 1987 | 162 |
| 1988 | 262 |
| 1989 | 411 |
| 1990 | 480 |
| 1991 | 455 |
| 1992 | 403 |
| 1993 | 327 |
| 1994 | 350 |
| 1995 | 483 |
| 1996 | 703 |
| 1997 | 758 |
| 1998 | 838 |
| 1999 | 861 |
| 2000 | 854 |
| 2001 | 860 |
| 2002 | 734 |
| 2003 | 748 |
| 2004 | 810 |
| 2005 | 841 |
| 2006 | 834 |
| 2007 | 618 |
| 2008 | 707 |
| 2009 | 497 |
| 2010 | 446 |
| 2011 | 346 |
| 2012 | 296 |
| 2013 | 278 |
| 2014 | 184 |
| 2015 | 150 |
| 2016 | 190 |
| 2017 | 158 |
| 2018 | 132 |
| 2019 | 113 |
| 2020 | 77 |
| 2021 | 77 |
| 2022 | 88 |
| 2023 | 89 |
| 2024 | 117 |