he married shortly before traveling to the congo in 1901 as a missionary. his first wife and their infant child died there. after boone returned to the united states in 1906 and studied to earn his medical degree, he was assigned to liberia as a medical missionary. while on furlough in the us in 1919, the widower married again. he and his second wife traveled in 1920 to serve in monrovia, liberia, and their two children were born there. the family returned to the us permanently in 1926, settling in richmond, virginia. both his namesake son and grandson, also named clinton c. boone, became ministers, carrying the family's religious calling into the fourth generation.