1869 Gilletts Directory of Preston
James Thornton, Wine and Spirit Merchant and agent for Findlater Dublin Porter, 9 Lord St, Home address 33 Winkley Square (quite posh)
Thomas N Thornton, Wine and Spirit Merchant (jas.. Thornton), home address 33 Winkley Square
James Thornton Jnr, Wine and Spirit Merchant, home address Nut Cottage, Fulwood
1873 Preston & District Directory
James Thornton details as above, home address The Mount, Fernyhalgh (where he passed away in 1876)
Mr Thomas Thornton, 34 Winkley Square (the only person on that page listed as Mr)
1877 Mannex Directory of Preston and District
Thomas N Thornton, (James Thornton) home address Grimsargh House, Grimsargh
1881 Mannex Directory of Preston & District
Thomas N Thornton, as 1877