The History of Hendricks County (Chicago: Interstate Publishing, 1885)--Center Township, pages 538-539
Henry G. Todd, M.D., was born in Louisville, Ky., April 7, 1811, a son of Rev. John and Sarah (Soda) Todd. When he was about thirteen years of age his parents removed to Charleston, Ind., and from there to Paris, Ky., about 1828. He attended the common schools until his eighteenth year, when he entered the office of Dr. John B. Duke, at Paris, to study medicine, and studied with him until attending lectures in the Transylvania University at Lexington in the winter of 1830-'31, after which, in the summer of 1831, he began to practice in Danville, Ind., where for fifty-three years he was been in uninterrupted practice, with the exception of one year--1856--when he lived in Indianapolis. He has for many years been a member of medical societies of the county and State, and was the first President of the Hendricks County Medical Society, which position he held many terms. In the winter of 1849-'50 he was a member of the Constitutional Convention of the State of Indiana, and was a member of the House of Representatives in the Indiana State Legislature in the year 1854. Politically, he was originally a Whig, but since the organization of the Republicans he has affiliated with that party. Sept. 18, 1834, he was married to Serena, daughter of William and Sarah (Richards) Henton, of Danville. They have five children--Minerva, wife of William M. Steele, of Reno, Ill.; William Addison, a physician, of Chariton, Iowa; Laura, wife of Joseph Oheaves, of Rockville, Ind.; Marshall, a druggist, of Indianapolis, Ind., and Henrietta, still at home. Dr. and Mrs. Todd are members of the Presbyterian church at Danville, of which he has been a Ruling Elder about forty-five years.