Welcome Tabre,Is this the elusive William Henry Dempsey?Birth: MagherafeltHenry Dempsey 27 Jun 1885 at UpperlandFather: James Dempsey occ:labourerMo:Elizabeth Dempsey formerly Canninghttps://civilrecords.irishgenealogy.ie/churchrecords/images/birth_returns/births_1885/02639/1973209.pdfMarriage: 8 Aug 1881 by licence at the Presbyterian Church, Swatera, MagherafeltJames C Dempsey age 20 bachelor occ:labourer of Gortade Fa: James Dempsey occ:labourerLizzie Canning age 18 spinster of Gortade Fa: Robert Canning occ:labourerhttps://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1881/11008/8024978.pdfMarriage: 21 March 1882 by licence at Presbyterian Church Finvoy, BallymoneyWilliam Dempsey age minor bachelor occ:labourer of Dirraw Parish of Finvoy Fa:James Dempsey occ:labourerMary Jane Canning age minor spinster of Kilrea Parish of Kilrea Fa:Robert Canning occ:shopkeeper https://civilrecords.irishgenealogy.ie/churchrecords/images/marriage_returns/marriages_1882/10980/8014038.pdfI'm not sure if Willie Dempsey and Mary Taggart got married, so I can't locate a marriage record.