Born in Derry, New Hampshire. A deceased brother (1827-1831) had the same me. Married to Hannah Mary Little. They had three daughters and two sons. Resident of Boston.

Member of the Boston Numismatic Society.

He purchased the 1804 dollar from the Cohen collection for $325. Loren Parmelee bought it for $500 in 1876. His collection was sold at auction by Edward Cogen October 30-November 1, 1876. The collection included a Virginia Shilling (sold for $110) and Lord Baltimore Groat. An 1815 half eagle realized $150.

He died at Newbury, Massachusetts.

[His middle name appears in numismatic references as both Sewall and Sewell. However, the name Sewall appears more frequently in other generations of the family.]