Mercy Nnenda Chinwo was born on 5 September 1990 in Port Harcourt, Rivers state. She is the fourth child in a family of five (first daughter). Chinwo got involved in music at a very early age, being a member of the children's choir in her church and transitioning to the adult choir prior to launching her musical career.[2]

Mercy Chinwo released her first single, "Testimony", in 2015, and "Igwe" a year later.[3] In 2017, Mercy Chinwo signed to Gospel Music Label EeZee Conceptz.