A Dáil by-election was held in the constituency of Galway South in Ireland on Friday, 30 May 1958, to fill a vacancy in the 16th Dáil. It followed the death of Fianna Fáil Teachta Dála (TD) Patrick Beegan on 2 February 1958.
The writ of election to fill the vacancy was agreed by the Dáil on 6 May 1958.
The by-election was won by the Fianna Fáil candidate Anthony Millar, nephew of the deceased TD, Patrick Beegan.
Result
References