[citation needed] After graduating from university, McKeever worked at BBC Northern Ireland for eight years, initially as a secretary before becoming a researcher.

[clarification needed] This was followed by an appearance in Two Ceasefires and a Wedding (1995), a short film made for the BBC by the Northern Irish comedy group Hole in the Wall Gang.

[1] The resulting comedy television series Give My Head Peace made McKeever a household name in Northern Ireland.

[3] The play toured across Ireland before closing with a week as the first production in the new Grand Opera House Studio in Belfast in December 2006.

[7] On 25 May 2020 she was presenting BBC Radio Ulster and without her knowledge that her microphone had been left on she said regarding Prime Minister Johnson's top aid Dominic Cummings “I was thinking he was such a dick I had written his name down as Richard Cummings”[8] which was broadcast over the airwaves, The BBC told the Belfast Telegraph “the comments were not intended for broadcast and should not have been… We very much regret what happened and the upset caused.” McKeever has been a vegetarian since she was 16.