Male Hiram Downing Click to view Hiram Downing in the family tree

Hiram was born on April 23rd, 1815 in New Hampshire.1   He died at the age of 51 on December 7th, 1866 in Clayton County, Iowa.1 

Family Details of Hiram's family with Charlotte H. Bryson

1 phelps.FTW @ Tree #1353
Further sources/citations:
World Family Tree Vol. 4, Ed. 1 @ Tree #1353, 1353.ftw