That marriage is on Cornwall-OPC-Database (as Thomas Foard and Elizabeth Nicholls), as are the following baptisms to the same couple:
15th Nov 1828 at Crowan
Richard Henry Foard, son of Thomas (a farmer) and Elizabeth, living at Crowan
1st Nov 1829 at Crowan
Thomas Curtis Foard, son of Thomas (a farmer) and Elizabeth, living at Crowan
23rd October 1831 at Crowan
William Foard, son of Thomas (a farmer) and Elizabeth, living at Crowan
3rd April 1836, at Crowan
Francis Treloar Ford, son of Thomas (a farmer) and Elizabeth, living at Crowan