In 1841 Elizth Marks, aged about 40, born in the county, and husband Henry Marks, aged about 35, born in the county, copper miner, were living in College St., Camborne, Cornwall. Present were children: Henry* (12), copper miner, Jane* (10), Joseph (6), James (4), Willm. (2), unnamed (1m)
In 1851 Elizabeth Marks, aged 50, born in Camborne, and husband Henry Marks, aged 46, born in Camborne, copper miner, were living in College St., Camborne. Present were children (born in Camborne): Henry* (22), copper miner, Joseph (16), copper miner, James (14), copper miner, William (12), copper miner, Francis (10), scholar, Susan (8), scholar, Thomas J. (5), scholar, husband's mother Elizabeth Marks (74) of Lynn Norfolk, widow, and lodger John Bennetts (16) of Camborne, copper miner.
* children of Henry's first marriage
In 1861 Elizabeth Marks, aged 60, born in Camborne, and husband Henery Marks, aged 56, born in Camborne, tin miner, were living in College Row, Camborne. Present were children (born in Camborne): William H. (22), tin miner, Francis (20), tin miner, Susan (18), dressmaker, Thomas J. (16), tin miner.