Hugh Costello was born in Lavey, Gulladuff, County Londonderry. Private Hugh Costello was serving with the 2nd Battalion of the Irish Guards when he was killed in action on Tuesday 9th October 1917. Private Hugh Costello as no known grave and is commemorated on the Tyne Cot Memorial.
The Tyne Cot Memorial to the Missing forms the north-eastern boundary of Tyne Cot Cemetery, which is located 9 kilometres north east of Ieper town centre, on the Tynecotstraat, a road leading from the Zonnebeekseweg (N332). The names of those from United Kingdom units are inscribed on Panels arranged by Regiment under their respective Ranks. The names of those from New Zealand units are inscribed on panels within the New Zealand Memorial Apse located at the centre of the Memorial.
