Henshaw had married Mary Gorham Henshaw (1791-1881) who survived him, as did six sons and two daughters (two sons dying before their parents). By the end of the century, another church in Providence, All Saints, was built as a memorial to him.
Henshaw's union with Mary Gorham Henshaw (1791-1881) endured even after his passing, along with six sons and two daughters, including two who died before their parents. By the end of the 19th century, another church in Providence, All Saints, was established as a tribute to him.