Patrick J. Dorgan is buried in St. Ann’s Cemetery, Cranston, Rhode Island, Section 7, Lot 1123, next to his wife, Mary Catherine Hartnett.

On October 26, 2005, her Great-Grandson, William J. Dorgan III ordered a headstone to be engraved and erected to the memory of these East County Cork, Ireland immigrant-pioneers to Rhode Island: Patrick J. Dorgan and his wife, Mary Catherine Hartnett.