Fromt he longer Wikipedia page [1]
Micajah Perry (died 22 January 1753) was a British tobacco merchant and politician who sat in the House of Commons from 1727 to 1741. He was Lord Mayor of London in 1738.
He was the son of Richard Perry, merchant, of Leadenhall Street, London, and his wife Sarah Heysham. Micajah's grandfather Micajah Perry was the most significant tobacco merchant in England, and an agent for Virginia. Perry's father died in 1720 and his grandfather in 1721, and he inherited the family business. He married Elizabeth Cocke, daughter of Richard Cocke, a London linen-draper. He became a member of the Haberdashers' Company.[1]
A biography can be found here, and one version of his diary is here