Sunney \s(un)-ney\ as a boy's name is a variant of Sunny. See for origin and meaning of Sunney.
The baby name Sunney sounds like Sonny and Sunnie. Other similar baby names are Denney, Dunne, Kenney, Kinney, Sandey, Sennet, Sidney, Sydney, Sivney, Stoney, Sulley and Tanney.