Isobel is an uncommon variant of Isabel that peaked in 2016 and remains in steady use.
Isobel is a girl name. In 2025 it ranked #2,307 for girl births in the United States (and #4,157 across all names), given to 79 babies. Isobel first appears in 1894 and peaked in 2016 (129 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 79 | 79 | #2,307 |
| 2024 | 79 | 79 | #2,336 |
| 2023 | 95 | 95 | #2,055 |
| 2022 | 84 | 84 | #2,233 |
| 2021 | 92 | 92 | #2,077 |
| 2020 | 94 | 94 | #1,996 |
| 2019 | 91 | 91 | #2,079 |
| 2018 | 89 | 89 | #2,137 |
| 2017 | 112 | 112 | #1,836 |
| 2016 | 129 | 129 | #1,664 |
| 2015 | 93 | 93 | #2,098 |
| 2014 | 98 | 98 | #2,016 |
| 2013 | 100 | 100 | #1,971 |
| 2012 | 85 | 85 | #2,215 |
| 2011 | 82 | 82 | #2,283 |
| 2010 | 102 | 102 | #1,965 |
| 2009 | 95 | 95 | #2,126 |
| 2008 | 81 | 81 | #2,386 |
| 2007 | 110 | 110 | #1,888 |
| 2006 | 78 | 78 | #2,408 |
| 2005 | 52 | 52 | #3,067 |
| 2004 | 50 | 50 | #3,092 |
| 2003 | 67 | 67 | #2,449 |
| 2002 | 69 | 69 | #2,338 |
| 2001 | 57 | 57 | #2,646 |
| 2000 | 56 | 56 | #2,645 |
| 1999 | 61 | 61 | #2,413 |
| 1998 | 48 | 48 | #2,775 |
| 1997 | 44 | — | #2,788 |
| 1996 | 19 | — | #5,145 |
| 1995 | 27 | — | #3,920 |
| 1994 | 25 | — | #4,164 |
| 1993 | 17 | — | #5,507 |
| 1992 | 9 | — | #9,017 |
| 1991 | 10 | — | #8,197 |
| 1990 | 10 | — | #8,104 |
| 1988 | 7 | — | #9,628 |
| 1974 | 6 | — | #8,063 |
| 1970 | 7 | — | #6,596 |
| 1965 | 7 | — | #5,487 |
| 1962 | 5 | — | #6,949 |
| 1959 | 6 | — | #5,838 |
| 1958 | 10 | — | #4,046 |
| 1956 | 11 | — | #3,780 |
| 1954 | 5 | — | #6,088 |
| 1952 | 8 | — | #4,269 |
| 1951 | 6 | — | #5,084 |
| 1950 | 5 | — | #5,612 |
| 1948 | 8 | — | #4,014 |
| 1947 | 13 | — | #2,964 |
| 1946 | 11 | — | #3,109 |
| 1945 | 6 | — | #4,243 |
| 1944 | 5 | — | #4,853 |
| 1943 | 8 | — | #3,622 |
| 1942 | 8 | — | #3,553 |
| 1941 | 10 | — | #2,929 |
| 1940 | 12 | — | #2,482 |
| 1939 | 6 | — | #3,976 |
| 1938 | 9 | — | #3,030 |
| 1937 | 12 | — | #2,500 |
| 1936 | 17 | — | #1,910 |
| 1935 | 18 | — | #1,874 |
| 1934 | 16 | — | #2,034 |
| 1933 | 28 | — | #1,383 |
| 1932 | 34 | — | #1,246 |
| 1931 | 17 | — | #1,983 |
| 1930 | 33 | — | #1,333 |
| 1929 | 29 | — | #1,432 |
| 1928 | 46 | — | #1,124 |
| 1927 | 43 | — | #1,180 |
| 1926 | 37 | — | #1,291 |
| 1925 | 49 | — | #1,096 |
| 1924 | 36 | — | #1,369 |
| 1923 | 47 | — | #1,121 |
| 1922 | 42 | — | #1,196 |
| 1921 | 58 | — | #978 |
| 1920 | 35 | — | #1,329 |
| 1919 | 35 | — | #1,305 |
| 1918 | 40 | — | #1,194 |
| 1917 | 42 | — | #1,102 |
| 1916 | 69 | — | #817 |
| 1915 | 38 | — | #1,107 |
| 1914 | 42 | — | #908 |
| 1913 | 29 | — | #1,014 |
| 1912 | 35 | — | #852 |
| 1911 | 19 | — | #1,020 |
| 1910 | 17 | — | #1,090 |
| 1909 | 13 | — | #1,180 |
| 1908 | 21 | — | #863 |
| 1907 | 12 | — | #1,169 |
| 1906 | 18 | — | #885 |
| 1905 | 17 | — | #910 |
| 1904 | 12 | — | #1,074 |
| 1903 | 13 | — | #999 |
| 1902 | 10 | — | #1,167 |
| 1901 | 6 | — | #1,564 |
| 1900 | 7 | — | #1,644 |
| 1899 | 7 | — | #1,323 |
| 1898 | 9 | — | #1,211 |
| 1897 | 6 | — | #1,458 |
| 1896 | 5 | — | #1,694 |
| 1895 | 10 | — | #1,086 |
| 1894 | 5 | — | #1,581 |