Jun. 21, 1883 Newton Middlesex County Massachusetts, USA
Dec. 4, 1955 Levittown Nassau County New York, USA
He was the son of Darius Cobb and Laura Marie Lillie.
He was the husband of Lillian Caroline Mabel Steers.
Percival and Lillian had the following children:
i. Alfred COBB ii. Carolyn COBB iii. Laura COBB iv. William Steers COBB v. Lillian Codman vi. Julius Darius COBB vii. Christopher COBB viii. Percival Bartlett Stanwood COBB ix. Daniel x. David COBB xi. Estelle Louise COBB