In 1954, he married Anna Smith, and together they now have four children and eleven grandchildren. He graduated from L. I. F. E. Bible College in 1956 and from Azusa Pacific University in 1970. During that time, in 1969, he began pastoring a small congregation, the First Foursquare Church of Van Nuys, Los Angeles, California. This congregation of 19 people has since become known as The Church On The Way, one of the largest churches in Southern California. Hayford has been the president of the International Church of the Foursquare Gospel since October 1, 2004.
Hayford is also widely known for his involvement in the Promise Keepers movement, his role as founder and chancellor of The King’s College and Seminary, initiator of the Day of Prayer for the Peace of Jerusalem and for his some four-dozen books and 600 hymns and choruses.
He is the author of the hymn “Majesty,” which has proved extremely popular in churches worldwide since it was written in 1978.