Sunday Ndukwo Onuoha was born in Item, Abia State, Nigeria, on March 22, 1964. Sunday is a common English name among first-generation Christian households in Nigeria. He joined the ministry at a very young age in 1983, and was consecrated a Bishop of the Methodist Church Nigeria in 2006, having served as the first Bishop of Evangelism at the Lagos Headquarters for many years. Due to financial difficulty, Sunday couldn't complete his high school. Instead, he relocated to Aba, where he worked as a tailor and began studies for the Nigerian equivalent of a high school exam for college admission. In 1983, Bishop Sunday was offered admission into the Methodist Church Nigeria ministry. He went to the Methodist Theological Institute in Sagamu, the Immanuel College of Theology in Ibadan, and the University of Ibadan to get his B.A.