James Grant Wilson and John Fiske, eds., “Creswell, John A. J,” Appleton’s Cyclopaedia of American Biography (New York: D. Appleton and Company, 1888), 2: 8.
CRESWELL, John A. J., statesman, b. in Port Deposit, Cecil co., Md., 18 Nov., 1828. He was graduated at Dickinson college. Pa., in 1848, studied law, and was admitted to the Maryland bar in 1850. He was a member of the state legislature in 1860 and 1862, and assistant adjutant-general for Maryland in 1862-'3. He was elected to congress, and served from 7 Dec., 1863, till 3 March, 1865; and, having distinguished himself as an earnest friend of the Union, was elected as a republican to the U. S. senate in March, 1865, to fill the unexpired term of Thomas H. Hicks. On 22 Feb., 1866, he delivered, at the request of the House of representatives, a memorable eulogy of his friend and colleague, Henry Winter Davis. He was a delegate to the Baltimore convention of 1864, the Philadelphia loyalists' convention of 1866, the Border states convention held in Baltimore in 1867, and the Chicago republican convention of 1868. In May, 1868, he was elected secretary of the U. S. senate, but declined. On 5 March, 1869, he was appointed by President Grant postmaster-general of the United States, and served till 3 July, 1874.