1William Richard Cutter, Historic Homes and Places and Genealogical and Personal Memoirs Relating to the Families of Middlesex Co., Massachusetts, Vol. 3, pp. 1038-1039 (1905).This source also gives John as the son of Isaac Learned. URL = http://books.google.com/books?id=b6AhB-PTzMYC&pg=PA1038&lpg=PA1038&dq=%22Miriam+Smith%22+%22John+Learned%22&source=bl&ots=WRd90MWCEt&sig=qyWYY16M9ub14RoFgZtHXF68Ze8&hl=en#v=onepage&q=%22Miriam%20Smith%22%20&f=false.
"(V) John Learned, son of Israel Learned (4), was born about 1714 at Oxford, Massachusetts. Married, September 13, 1737, Hepsibah Smith, who died July 18, 1747; married (second), January 31, 1751, Miriam Smith, who died February 2, 1803. He died April 8, 1796. He bought land and settled west of the river opposite his father's farm, and his house was near the river southeast from the house now or lately owned by Orlin Allard. His first house was burned in 1786. Jacob, his son, rebuilt on the same spot, and there John himself died. He was captain of an Oxford company in the French and Indian was, being lieutenant in John Foy's company, first Worcester county regiment, September 24, 1756, and was promoted captain in 1757. He was constable and collector of the state tax in 1751. Children: 1. Sarah, born April 14, 1738, married Isaac Moffitt. 2. Elijah, November 14, 1739, mentioned below. 3. Hepsibah, February 8,1752,married Benjamin Upham, of Dudley. 4. Elihu, 1754, died 1758. 5, Jacob, 1756, died 1758. 6. John, June 20, 1758. 7. Jacob, July 31, 1760. 8. Miriam, March, 1764, married Simon Upham. 9. Jemima, December 6, 1766, married Joseph Brown. 10. Ruth, August 7, 1769, married Jacob Smith."