<P> Being a Kohen imposes some limitations: by Jewish law a Kohen may not marry a divorced woman, and may not marry a proselyte (someone who converted to Judaism). Nor should an observant Kohen come into contact with the dead or enter a cemetery . </P> <P> An effort to trace whether people named' Cohen' actually have a common genetic origin has been undertaken, using a genealogical DNA test associated with the Cohen Modal Haplotype . </P> <P> The Katz surname is a more likely indicator of being a Kohen / Cohen: it means Kohen Tzedek . The latter word means "righteous or authentic priest ." </P> <P> Other last names with similar indication are Kohentov and Kohenteb; the suffix literally means good, meaning that one could rely on them as being a Kohen when needing one for redeeming a firstborn male child . </P>

Where does the last name cohen come from