It could be that "J.Cure" is a brother of Philip Dann's wife Mary Anne Cure.

The 1860 census shows that Harvey Dann, age 48 and his wife Azuba, age 45 lived here. Their children at home were Ellen 23, Silas N. 21, Jaspar 19, jane, 13, James 11, William 4, and Emily 3.

Harvey was a brother of Philip.