He [Hiram] was a bookbinder by trade, and some time before the opening of the Civil War he went to Frankfort, Ky., he was a legislative reporter on the The Kentucky Yoeman, the state paper partially owned by his brother Dewitt Clinton Barrett, as a member of the firm of Stanton, Major & Barrett. About 1862 he was appointed a US Custom Officer at Nashville, Tenn., where he remained until 1865, when he went to Louisville, Ky., and became bookkeeper and manager of the firm of Scott, Davison and company. In 1868 he went to Washington, DC and in 1872 became cashier of the Georgetown (D. C.) Savings Bank. On December 4, 1873, he married Mary C. MacNeal of Georgetown, D. D., who bore him one daughter, Georgia L. From 1878 until 1914 he was employed in the US Treasury as the Clerk in Charge of the Sinking Fund of the District of Columbia, resigning from this position in the latter year. He died of apoplexy in his 81st year.
Provided by his son-in-law William Robert Fuchs in an attachment to a letter from him to John R.Barrett, dated March 8, 1919.
Pittsfield Sun
Octonber 24, 1861Pierce - At Hinsdale, Oct. 19, Dexter P. Pierce, age 39 [sic died Oct 18]
The Hartford Courant
April 20 1941Mrs. Julia O'Connell Barrett, widow of Henry Barrett, died Saturday at her home, 522 Wolcott Hill Road, Wethersfield. She was born in South Egremont, Mass., February 23, 1845, a daughter of the late William and Weltha Carner O'Connell. She was a member of the Immanuel Congregational Church of Hartford.
She leaves a daughter, Mrs. Jere H. Laflin of Wethersfield; a grandson, C. H. Laflin of Windsor, and a granddaughter, Mrs. S. F. Griffin of West Point, N.Y.