There are
143
Thros in the USAThro is the
120901st
most common last name in the USAThro Genealogy
OriginsThe origins of the THRO surname are uncertain, but it is thought to have originated in Denmark or Germany.
Geographic DistributionThe THRO surname is not widely known or popular, and its presence is not significant in any particular country or region.
VariationsThere are no known variations of the THRO surname.
Migration and ImmigrationThere is no significant information available about migration or immigration patterns of individuals with the THRO surname.