Stephen Moore, 1st Viscount Mount Cashell

Stephen Moore, 1st Viscount Mount Cashell (1696 – 26 February 1766), known as The Lord Kilworth between 1764 and 1766, was an Irish politician.

Early life Moore was the son of Richard Moore, of Cashell, County Tipperary, by the Honourable Elizabeth Ponsonby, daughter of William Ponsonby, 1st Viscount Duncannon. In 1764 he was raised to the Peerage of Ireland as Baron Kilworth, of Moore Park in the County of Cork. Two years later he was further honoured when he was made Viscount Mount Cashell, of the City of Cashell, also in the Irish peerage.