Ind. Code § 16-37-2-15
Proper name of illegitimate child whose parents subsequently marry
As added by P.L.2-1993, SEC.20.
If the parents of a child born out of wedlock in Indiana later marry, the child shall legally take the last name of the father.
[Pre-1993 Recodification Citation: 16-4-1-1.]
As added by P.L.2-1993, SEC.20.