Career
On the death of his father in April 1927, he succeeded to his father"s baronetcy as the 2nd Baronet McConnell, of the Moat, Strandtown, Belfast. McConnell was elected to the House of Commons of the United Kingdom as one of the two MPs for the Antrim constituency at the 1929 general election, after the unionist Member of Parliament Charles Curtis Craig retired. He was re-elected unopposed in 1931 and 1935, and died in office in 1942, aged 64.
He held the office of Deputy Lieutenant of Belfast.