DoB from age 61 at death in 1861 as her his headstone.

DoD from his headstone in Ballylintagh Presbyterian Church:
"Sacred to the memory of Andrew Boyd, Ballyclough who died 19th December 1861, Aged 61 years.  The Reverend William Boyd, his son, who died 9th June 1867, Aged 26 years, Highly esteemed Beloved and deeply Regretted by a wide circle of friends."