He was married
to Margaret Boone on 9 Mar 1782 in Anne Arundel Co., MD.
John Dorsey and Margaret Boone had the following children:
+662 i. Humphrey Dorsey.
+663 ii. Caleb Dorsey.
+664 iii. Charles Boone Dorsey.
+665 iv. Stephen Boone Dorsey.
+666 v. Richard Dorsey.
+667 vi. Margaret Anne Dorsey.