Origin of the name Reagan: Derived from the Old Norse regn, ragn (judgment, decision). In Norse legend, Regin, a very wise man, was appointed tutor and foster father of Sigurd. Var: Regin, Regan.
Riggan is baby boy name mainly popular in Christian religion and its main origin is . Riggan name meanings is Ragn ,judgment, decision, In Norse legend, Regin. Other similar sounding names can be Reagan.