What does Yusef mean?
Yusef /yu-sef/ as a name for boys. Yusef's name origin is Hebrew, and the meaning of Yusef is "the Lord increases". Yusef is an alternate form, with the suffix -ef, of Yusuf (Hebrew): variation of Joseph.
How popular is Yusef?
Yusef is an unusual given name for males but a somewhat prominent surname for both adults and children (#134037 out of 150436, Top 89%). (2000 U.S. Census)
Below is a graphed analysis of the usage of Yusef and corresponding names. Prominent variation forms of Yusef (outside Top 1000) are Yosef (#709 in recent rankings) and Yusuf (#589). Other forms, like Yusuff, are uncommon. Adoption of these forms of Yusef reached its peak in 2013 (average #645) and has remained as conventional to this day (#649, 1% less). Yosef has historically been the top pick of parents, though Yusuf is now the most fashionable. (Top 1000 Baby Names Records, 2014)