In 1841, Maria Terrill, aged about 45, born in the county, was at Jackson's Farm, Camborne, Cornwall. With her were children Samuel (20), cop. miner, Maria (15), ore dresser, and Maryanne (15), ore dresser.
In 1851 Miriah Terrill, aged 61, born in Camborne Cornwall, miner's widow, house keeper, was in Treswithian Village, Camborne. With her were daughters (born in Camborne, single) Miriah (27), C[opper] Mine Labourer, and Maryann (25), C[opper] Mine Labourer.
In 1861 Maria Terrill, aged 72, born in Camborne Cornwall, widow, householder, was in Treswithan, Camborne. At home were daughters Maria (39), mine girl, and Mary A. (34), mine girl, both born in Camborne.