Chadwick's History of Shelby County, Indiana, by Edward H. Chadwick,
B.A., assisted by well known local talent, B.F. Bowen & Co,
Publishers: Indianapolis, IN, 1909, pages 207-208

Hiram Comstock, M. D., was born in Madison county, Ohio, March 17,
1820.  His father, James Comstock, was a native of Vermont, and his
mother, Chloe (Ball) Comstock, was a native of Connecticut.  they came
to Ohio at an early day and lived first in Madison county, then moved
to Hamilton county, where Hiram grew to manhood and finally moved to
Montgomery county.  It was here that Hiram commenced the study of
medicine under the instructions of his father, who was a physician,
and continued his studies until he was qualified to practice. He
commenced the practice of his profession in Greenfield, Indiana, in
1843, and continued there until 1846, when he first came to Shelby
county and located at Freeport. After practicing at Freeport for a
year or two he entered the Ohio Medical College and continued his
studies there until he graduated in March, 1849.  After graduating he
resumed his practice at Freeport and continued to practice there until
1855 [?] when he removed to Marietta, this county. Here he enjoyed a
large practice for many years and in this neighborhood he continued to
live until the time of his death, March 11, 1888.

He was a member of the Methodist church and of the Independent Order
of Odd Fellows , and in politics a Republican. he was married three
times: first to Rebecca J. Mills in 1843, who died in 1851; then to
Nancy E. Morgan in 1852. His second wife died in 1856 and in 1857 he
was again married, this time to Lucy A. McCrea, who survived him two
weeks. He was the father of six children, three each by his first and
last wife.