Peter Heywood
- Born March 28, 1751 in Concord, Middlesex County, Massachusetts.
- Parents were PETER HEYWOOD and SARAH WESTON.
- Married MARAH SMITH on May 9, 1779. She was born April 8, 1752 to ABRAHAM SMITH and RHODA WHEELER.
- Married CATHERINE SAMPSON on October 7, 1786. Catherine was born April 9, 1763; and died October 12, 1844 in Bloomfield, Somerset County, Maine. Her father was JOHN SAMPSON.
- Died July 17, 1822 in Norridgewock, Somerset County, Maine from a fractured skull he suffered in a carriage accident.
CHILDREN WITH MARIAH SMITH
- POLLY HEYWOOD.
- ASA HEYWOOD.
- CEPHAS HEYWOOD, died in infancy.
CHILDREN WITH CATHERINE SAMPSON
- CEPHAS HEYWOOD, died in infancy.
- LUCINDA HEYWOOD, died in 1818 in Skowhegan, Somerset County, Maine. Married SETH WYMAN, Jr. about 1800.
- BETSY McCLELLAN HEYWOOD, born December 27, 1790 in Canaan, Somerset County, Maine. Married ABRAHAM WYMAN.
- CATHERINE HEYWOOD, married JONATHAN SWAN.
- SAMUEL HEYWOOD, died in California.