Jacub is a very rare variant of Jacob that was most common in the 2000s and has all but disappeared.
Jacub is a boy name. It last appears in U.S. records in 2016. Jacub was first reported in SSA data in 1991 and peaked in 2008 (14 births).
| Year | U.S. births | U.S. + territories | Rank |
|---|---|---|---|
| 2016 | 6 | 6 | #11,268 |
| 2013 | 5 | 5 | #12,887 |
| 2011 | 5 | 5 | #13,077 |
| 2010 | 11 | 11 | #7,270 |
| 2009 | 10 | 10 | #7,935 |
| 2008 | 14 | 14 | #6,207 |
| 2007 | 8 | 8 | #9,227 |
| 2006 | 7 | 7 | #9,994 |
| 2005 | 7 | 7 | #9,517 |
| 2004 | 6 | 6 | #10,496 |
| 2003 | 12 | 12 | #6,020 |
| 2002 | 5 | 5 | #11,374 |
| 2001 | 11 | 11 | #6,188 |
| 2000 | 7 | 7 | #8,559 |
| 1999 | 9 | 9 | #6,742 |
| 1998 | 9 | 9 | #6,516 |
| 1997 | 9 | — | #6,298 |
| 1996 | 7 | — | #7,451 |
| 1995 | 11 | — | #5,292 |
| 1994 | 6 | — | #8,174 |
| 1993 | 7 | — | #7,123 |
| 1992 | 7 | — | #6,969 |
| 1991 | 5 | — | #8,740 |