What does Fillip mean?
Fillip is an uncommonly occurring given name for males but a somewhat prominent surname for all people (#74675 out of 150436, Top 50%). (2000 U.S. Census)
Prominent alternative forms of Fillip (#unlisted) are Philip (#389 last year), Phillip (#391), Felipe (#713), Phil and Filip. Usage of these boy names was at its highest during the years 1940-1949 (usage of 0.6378%) and is now much lower (usage 0.3014%, down 52.7%), with the forms Felipe, Phillip, Phil and Philip becoming less fashionable. Shown below is an analysis of the usage of Fillip and associated names. (Top 1000 Baby Names Statistics, 2014)