1861 census:
Class: RG09, Piece: 1589, Folio: 11, Page: 15
Halsetown, St Ives, Cornwall
Thomas, Henry Head M 45 Tin Miner b Uny Lelant
Thomas, Nancy Wife F 44 b Zennor
Thomas, Mary Daughter F 22 b St Ives
Thomas, Nancy Daughter F 19 b St Ives
Thomas, William Henry Son M 16 Tin Miner b St Ives
Thomas, Margaret Daughter F 8 b St Ives
Thomas, Priscilla Jane Daughter F 6 b St Ives
Thomas, Matilda Daughter F 4 b St Ives