Family History and Genealogy Resources by Surname
Jacob Surname Origin
(Origin Hebrew) He that supplants
Source: An Etymological Dictionary of Family and Christian Names With an Essay on their Derivation and Import; Arthur, William, M.A.; New York, NY: Sheldon, Blake, Bleeker & CO., 1857.
Jacob Surname Meaning and Family Facts
There is more to Jacob family history than the origin of your surname:
A Jacob Family History Thought:
'I don't have to look up my family tree, because I know that I'm the sap.' --Fred Allen