Gilbert Rogers gives death date as Dec. 1697.674

From Colonial Families of the United States of America, Vol. III, p. 47:
“William Richardson, Sr., d. 1697, immigrant from England in the ship “Constant Friendship,” in 1655, settled in Maryland, and from 1678 to 1683 was a member of the Assembly from Anne Arundel County, serving on the committee that regulated the defense and military affairs of the colony. Elizabeth (Ewen) Richardson d. 1st Jan. 1703.”683