 He was also a Member of the Legislative Assembly in the Northern Ireland Assembly from its creation in 1998 until his election as MP in 2017.He resigned his seat on 16 January 2018 after publishing a video which was seen to be mocking the Kingsmill massacre.McElduff was born on 16 August 1966 in County Tyrone, Northern Ireland, and was raised in the Aghagogan townland.