Mckay, Oscar Reed was born on November 1, 1861 in Mason, Illinois, United States. Son of Review Uriah and Mary Adelaide (Billingsley) Mckay.
Bachelor of Arts, Colgate University, 1887, Doctor of Divinity, 1913. Graduate Colgate Division School, 1890.
1 son, Ralph Lankton. ordained Baptist ministry, 1890. Pastor Sayre, Pennsylvania, 1890-1891. Missionary teacher in Ongole, India, 1891-1894.
Pastor successively Warsaw, New York, Lafayette and Bluffton, Indiana, until 1921. Director religious education for Indiana under Indiana Baptist Convention, 1921-1925. Associate pastor First Baptist Church, Indianapolis, 1925-1933.
President Indiana Baptist Convention, 1914, 15. Vice president American Baptist Foreign Missionary Society, 1917. President American Red Cross, Wells County, Indiana, World War.