Devon and Mariah
Y&R Devon&Mariah5
James and Grimes as Devon and Mariah
The Young and the Restless
Current status Friends
Duration 2017-
Introduced by Jill Farren Phelps

Devon Hamilton and Mariah Copeland are fictional characters and a couple from the CBS Daytime soap opera, The Young and the Restless. Devon Hamilton is the grandson of Genoa City's matriarch, Katherine Chancellor (Jeanne Cooper) and the adopted son of the show's first leading African American couple, Neil (Kristoff St. John) and Drucilla Winters (Victoria Rowell).

Mariah Copeland is the daughter of Sharon Newman and Frank Barritt, but she was stolen from her mother by Ian Ward, and adopted by Helen Copeland. She has a twin sister named Cassie Newman, and two maternal half-siblings: Noah Newman and Faith Newman. She has two main rivals: Abby Newman and Summer Newman.