A male given name transferred from the surname, of modern Irish usage, variant of Ryan.

Mirthful, cheerful, smiling, light-hearted. / Of a place, landscape or view: having a pleasant appearance, looking bright or cheerful.

(now rare) Cheerful, agreeable (chiefly of a place, landscape etc.); pleasing to look at.

In a riant manner.

A surname from Spanish.

gaiety; mirth; cheer

plural of Riano