When was mckinney first baptist church founded? Organized more than 100 years ago under a brush arbor, the McKinney First Baptist Church has a rich heritage of faith and progress. The church was organized in 1882 by Rev. A. R. Griggs on property belonging to Rev. F. G. Davis, who became the first pastor.What is first mckinney all about? First McKinney's mission is to LIVE and LOVE like Jesus. So that our neighbors, the nations and the next generation will follow Jesus. Through dynamic teaching and missional leadership, First McKinney is leaving a legacy here and around the world.Who was the first pastor of the first baptist missionary church? The church was organized in 1882 by Rev. A. R. Griggs on property belonging to Rev. F. G. Davis, who became the first pastor. The name given was Second Baptist Church and later changed to First Baptist Missionary Church.