Stewart McGlashan Jr was also buried in Warriston Cemetery. His grave is marked by a "typical" McGlashan Celtic cross. The company became a subsidiary of Balfour Beatty in 1974. The Canonmills office and yard on Canonmills Bridge survived until 2019 when they were demolished for a housing development. In 1833 he married Mary Buchanan at the Barony Church in Glasgow. They had at least nine children, two of whom died in infancy.