Isobelle is a very rare variant of Isabella that peaked in 2008 and has grown less common since.
Isobelle is a girl name. In 2025 it ranked #12,419 for girl births in the United States (and #20,820 across all names), given to 7 babies. Isobelle first appears in 1914 and peaked in 2008 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2025 | 7 | 7 | #12,419 |
| 2021 | 6 | 6 | #14,173 |
| 2019 | 7 | 7 | #12,983 |
| 2017 | 5 | 5 | #16,862 |
| 2016 | 5 | 5 | #17,268 |
| 2014 | 5 | 5 | #17,567 |
| 2013 | 7 | 7 | #13,722 |
| 2012 | 6 | 6 | #15,709 |
| 2010 | 8 | 8 | #12,753 |
| 2009 | 6 | 6 | #15,986 |
| 2008 | 8 | 8 | #13,060 |
| 2007 | 7 | 7 | #14,490 |
| 2005 | 5 | 5 | #17,479 |
| 2001 | 7 | 7 | #12,559 |
| 2000 | 7 | 7 | #12,289 |
| 1915 | 5 | — | #4,588 |
| 1914 | 5 | — | #3,885 |