Jem is a variant of the name Jacob (Dutch, English, German, and Scandinavian).
Jem is also an English diminutive form of the name James (English and Hebrew).
Jem is also a diminutive form of the name Jeremy (English).
Jem is unusual as a baby name for boys. It is not listed in the top 1000 names. Within the group of boy names directly linked to Jem, Jacob was the most popular in 2015.
† Pronunciation for Jem: JH as in "joy (JH.OY)" ; EH as in "ebb (EH.B)" ; M as in "me (M.IY)"