H Williams
Biography
H Williams was a supermarket chain in Ireland which originated as a grocer/tea importer that became a registered company in March 1894 with a listing on the Dublin Stock Exchange. H Williams' head office was situated in Dundrum, Dublin. H Williams' other Dublin supermarkets included ones located in Rathmines, Terenure, Tallaght (now a Lidl) and Killester. Outside Dublin, it had a supermarket in Mullingar (the present-day Fairgreen Shopping Centre is located on its former site) and one in Tullamore (which was purchased, and is still operated, by Dunnes Stores).
Bio from Wikipedia