Joslin Family History
Joslin Name Meaning
English (of Norman origin):: from the Old French personal name Goscelin Gosselin Joscelin from ancient Germanic Goz(e)lin a diminutive of a short form of compound names based on the element goz (from gaut an ethnic name meaning ‘Geat’ or ‘Goth’; see Goss ). alternatively perhaps a diminutive of the Old French personal name Josse (Old Breton Judoc); see Joyce .
Source: Dictionary of American Family Names 2nd edition, 2022