Career
Wallace was a Dublin barrister. He stood unsuccessfully at Drogheda at the general elections in 1818, 1820, 1826 before being elected as a Tory for Yarmouth at a by-election in August 1827. He contested Drogheda again in 1831, before winning the seat at an unopposed by-election in October 1831.
At the 1832 general election he was elected as one of the two MPs for County Carlow, and held the seat until he retired from the Commons at the 1835 general election.
Wallace died at the age of 81.