Meaning and Name Origin
Kristoff \k-risto-ff, kr(is)-toff\ as a name for boys has the meaning "bearing Christ". Kristoff is a derivative of Kristopher (Scandinavian, Greek): variant of Christopher. Scarcely used as a birth name.
Kristoff is an unusual given name for males but a somewhat prominent surname for both adults and children (#50932 out of 88799, Top 57%). (2000 U.S. Census)
Below is a graphed analysis of the usage of the boy name Kristoff and corresponding names. Prominent related forms of Kristoff (#unlisted) rated in the Top 1000 are Kristofer, Kristoffer and Kristopher (#591 last year). Adoption of these boy names reached its most widespread during 1980-1989 and has become significantly less since, with the versions Kristofer, Kristoffer and Kristopher becoming less stylish. (2014 Birth Statistics)