Do you know if your ggf was born in Wales? If he was I have this if it helps.
Henry Allen baptised 6 July 1892 in St. WInifred's church, Penrhiwceiber, Mountain Ash, Glamorgan, South Wales. His parents were James(a collier) and Elizabeth Jane of 100 Quarry Road, Penrhiwceiber. Also baptised on the same day were his siblings Annie, James and Samuel.