Pierce Somerset Butler (26 January 1801 – 28 July 1865) was an Irish politician in the United Kingdom House of Commons.
He married Jessy Anne Bryan on 3 February 1835 in London at St George's, Hanover Square.
[2] Later he was elected to the United Kingdom House of Commons as Member of Parliament for County Kilkenny[3] in 1843, and held the seat until 1852.
[6] In 1854 he was involved in the Case of Pierce Somerset Butler v Viscount Mountgarret.
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