Michael O'Halloran (British politician)

Michael Joseph O'Halloran (20 August 1933 – 29 November 1999) was a British politician. He was a member of the Labour Party and the Social Democratic Party.
He was elected Member of Parliament (MP) for Islington North in a by-election in 1969 after the death of MP Gerry Reynolds. He was secretary of the Constituency Labour Party. O'Halloran was among the Labour MPs who moved to the new Social Democratic Party (SDP) in 1981. 
In 1983, the SDP chose John Grant, the MP for Islington Central (which was being abolished in boundary changes), to be its candidate in Islington North. O'Halloran left the SDP to stand as an independent Labour candidate in the 1983 general election. The official Labour candidate Jeremy Corbyn won while O'Halloran came in fourth with 11% of the vote. Grant came third with 22% of the vote.
He retired to County Wexford. He died on 29 November 1999 from a heart attack at the age of 66.