William G. "Billy" Bleakes was a Unionist and Conservative councillor and Assembly member in the Lisburn area. Bleakes was first elected to Lisburn Borough Council in 1977 as a United Ulster Unionist Party (UUUP) councillor for 'Area B' (equivalent to the current 'Downshire' electoral area.) With the UUUP in decline, he switched to the Ulster Unionist Party (UUP) and was returned to Lisburn Council in 1981 for that party. In 1982 he contested the North Down Assembly constituency, which then included parts of Lisburn. He won the last seat, just six votes ahead of his nearest challenger, the closest margin of the election. He continued to serve as a UUP local councillor, serving as Mayor of Lisburn in 1988-9 before joining the Conservative Party. He was re-elected as a Conservative councill