Sincear is a very rare variant of Sincere that was most common in the 2000s and has all but disappeared.
Sincear is a boy name. It last appears in U.S. records in 2012. Sincear first appears in 2001 and peaked in 2005 (8 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2012 | 5 | 5 | #13,924 |
| 2011 | 6 | 6 | #12,049 |
| 2008 | 5 | 5 | #14,312 |
| 2007 | 7 | 7 | #10,733 |
| 2006 | 5 | 5 | #13,725 |
| 2005 | 8 | 8 | #8,970 |
| 2002 | 5 | 5 | #12,234 |
| 2001 | 5 | 5 | #12,054 |