Good afternoon,
Thank you for your interest in the Mahon family. There were a few details which were not correct and so we have now updated what you have written and added a few more facts for completeness —please see the below.
This branch of the Mahon family is traditionally descended from the Mahons in Munster and Nicholas Mahon, a person who distinguished himself in the civil wars, settled in Ballinemly and Strokestown, Co. Roscommon, in the early 1600s. He married Magdalen French, daughter of Arthur French of Movilla Castle. He was the great grandfather of Maurice Mahon, 1st Lord Hartland. The Very Rev. Peter Mahon, Dean of Elphin, 4th son of Nicholas Mahon had a son, the Ven. Arthur Mahon, who became Archdeacon of Elphin. His son was Robert Mahon who had a son called Rev. Arthur Mahon. The Rev. Arthur Mahon’s son was Lt Col Maurice Hartland-Mahon. This branch of the family lived in and around Cavetown, Co Roscommon.
Lt Col Maurice Hartland-Mahon married Louisa Blake Bourne, daughter of Capt. Richard Bourne, R.N and niece of 2nd Lord Wallscourt, and had two daughters and a son, Richard James Hartland-Mahon (1847-1923), a Major in the East Surrey Regt. He married, in 1872, Charlotte, daughter of Major General Henry Cole Faulkner, of Castletown Castle, co. Carlow, and had two sons. The elder, Richard Faulkner Herbert Hartland-Mahon (1874-1936), Capt. R.N., married, in 1910, Anne Margaret., daughter of Arthur Wellesley-Bigsworth , sister of Air Commodore Arthur Wellesley-Bigsworth, CMG, DSO and Bar, AFC. Their son, Lt Col Richard Wellesley Marcus Hartland-Mahon, MC (1916-1976), The Queen’s Royal Regiment ( West Surrey), commanded the 56th Reconnaissance Regiment in WW2 and, post war, farmed in Molo, Kenya, and later in South Africa. He married in 1947, (Frances Mary) Margaret (1918-2011), daughter of Major Henry Reynolde Poole, OBE, DSO, MC, Legion d'Honneur. Her maternal grandfather, Skeffington Dodgson, was younger brother of Lewis Carroll.
They had two sons ( Marcus and Rowan) and a daughter ( Sally). Rowan died as a child in Kenya. Marcus Henry Faulkner Hartland-Mahon b. 1950 worked in the oil and gas industry and has resided in Aberdeenshire since 1977. He married Rachel Hewson, only daughter of Drs Molly and Raymond Hewson in 1983 and they have two daughters, Emma Margaret b.1985 and Sarah Frances b.1988. Marcus Hartland-Mahon’s sister, Sally Frances, married Robin Miles Amoore of Ardbraccan House, Navan, Co Meath, a retired Capt in the 17/21st Lancers, in 1978 and they have two sons, Miles Wynyard Marcus b. 1982 and James Owain Faulkner b. 1985, a retired Capt in the Rifles.