The name Tammyn means From Tamm, Germany and is of German origin. Tammyn is name that's been used by parents who are considering unisex or non-gendered baby names--baby names that can be used for any gender.
Originally a surname, used for people from Tamm, Germany. Tamm is in the district of Ludwigsburg, Baden-Württemberg, Germany. Common surname in Holland/The Netherlands.