Isaah is a rare variant of Isaiah that was most common in the 2000s and has all but disappeared.
Isaah is a boy name. It last appears in U.S. records in 2014. Isaah was first reported in SSA data in 1921 and peaked in 2001 (34 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2014 | 7 | 7 | #10,047 |
| 2012 | 5 | 5 | #12,985 |
| 2011 | 14 | 14 | #6,061 |
| 2010 | 11 | 11 | #7,264 |
| 2009 | 22 | 22 | #4,487 |
| 2008 | 28 | 28 | #3,774 |
| 2007 | 25 | 25 | #4,050 |
| 2006 | 20 | 20 | #4,573 |
| 2005 | 22 | 22 | #4,112 |
| 2004 | 18 | 18 | #4,666 |
| 2003 | 29 | 29 | #3,226 |
| 2002 | 20 | 20 | #4,092 |
| 2001 | 34 | 34 | #2,761 |
| 2000 | 29 | 29 | #3,022 |
| 1999 | 28 | 28 | #2,968 |
| 1998 | 19 | 19 | #3,758 |
| 1997 | 23 | — | #3,203 |
| 1996 | 17 | — | #3,898 |
| 1995 | 12 | — | #4,914 |
| 1994 | 8 | — | #6,615 |
| 1991 | 13 | — | #4,326 |
| 1921 | 5 | — | #4,651 |