Benjamin Whitworth was an Irish politician, who represented constituencies in Ireland at the United Kingdom Parliament in Westminster, London.

He was returned for Drogheda

Drogheda (UK Parliament constituency)

Drogheda was a parliamentary borough constituency in Ireland, which returned one Member of Parliament to the House of Commons of the Parliament of the United Kingdom...

, as a Liberal, in the 1868 general election

United Kingdom general election, 1868

The 1868 United Kingdom general election was the first after passage of the Reform Act 1867, which enfranchised many male householders, thus greatly increasing the number of men who could vote in elections in the United Kingdom...

. However his election was declared void and he was replaced by Thomas Whitworth, in an unopposed by-election on 15 March 1869. He was elected as an Irish Nationalist Member of Parliament

Member of Parliament

A Member of Parliament is a representative of the voters to a :parliament. In many countries with bicameral parliaments, the term applies specifically to members of the lower house, as upper houses often have a different title, such as senate, and thus also have different titles for its members,...

 for Kilkenny City

Kilkenny City (UK Parliament constituency)

Kilkenny City was an Irish Borough constituency in the House of Commons of the United Kingdom of Great Britain and Ireland, returning one Member of Parliament...

 in 1875, resigning in 1880 by becoming Steward of the Manor of Northstead. He was a major benefactor to the town of Drogheda, overseeing the construction of the public water supply system in the town, and donating the Whitworth Hall centre located on St. Laurences Street to the people of the town.