Cause of his death was angina pectoris/chronic nephritis.
research of June Scott on Gen Circles
Asa married Mary Anna Joy, daughter of Joseph Hicks Joy and Lydia Jane Straw. (Mary Anna Joy was born on 14 Jun 1839 in Madbury, Strafford County, New Hampshire, died on 26 Apr 1916 in Dover, Strafford County, New Hampshire and was buried in Pine Hill Cemetery Dover, Strafford County, New Hampshire, USA.). The cause of her death was "Old age."