DoB from age 89 at death in 1868 according to his gravestone in Ballylintagh Presbyterian Church.
He died at the age of 89 on December 23rd, 1868.
Death Notes
Source: Civil Death Record - 23 Dec 1868 at Ballybritton, Aghadowey, Hugh Boyd, widower, 89, Labourer, Gangrene of feet 6 weeks certified, Elizabeth Boyd (marked) PAD of Ballybritton.
Also: broken gravestone in Ballylintagh Presbyterian Church, where he is given as aged 89 at death in 1868.