William Ker Reid was the son of Christian Ker Reid of Newcastle and was free in 1814. His first mark was in partnership with Joseph Craddock on 8 June 1812. He worked alone from 8 November 1825. He moved addresses four times, but always worked in the Chancery Lane area.
His son William Ker Jr. was apprenticed to him in 1846 and another son, Edward Ker Reid, in 1844.
He died in 1868.
Mark usually found on very fine quality holloware such as dishes, tea sets and candelabra.