Bernard and Joseph's Father=John left Northern Ireland in or around the famine times from a village called Kesh in Co Fermanagh – now in N Ireland
They moved to England near Bermondsey, London
Who's Who http://archive.org/stream/cu31924029795444/cu31924029795444_djvu.txt
Celtic who's who names and addresses published 1921
MACMENAMIN, John. (Seaghan MacMeanman.) Address — Kingarrow, Lough Finn, Co. Donegal. Born 30th Oct., 1887. Father, Peter MacMenamin : Mother, Mary MacMenamin.
IDEA - if we can find Joseph's death certificate, since we know he died in Dublin Ireland, then maybe it will state the names of Joseph & Bernard's father.
Bernard's marriage certificate to Alice Gerard 1903 states his and Joseph's fathers name was John.
Winner of gold and silver medals in Literary Competitions Oireachtas (1910 ; winner of gold Cross, Springfield (Mass.), Irish Literary Society (1911). Publications— Sgeulta Goiride Geimhridh (1915); Contributor, over various nom-de-plumes, of articles and stories of Irish interest to Irish-American papers.