He arrived with his family at the Baltimore port on 19 May 1847, aboard the Marianne from Germany. The family was listed as Heinrich (24) a tailor, and his wife Margarethe (26), with Heinrich (4), Johannes (3), Friedrich (2), and Melchior (1). The ship originated in Drasenberg and departed from Bremen.
He appears in the 1850 census for Baltimore Co, MD as a tailor (29, GER) with wife Margarett (28, GER) and children Henry (9), John (7), Fred (5), and Melchor (1) also born in Germany.
His last name appears to be written as Rohton in 1860, but it is his family with all the right names. He is listed as a laborer (39, Hesan, GER) with wife Margaret (38, Hesan, GER) and children Henry (18, MD), John (15, MD), Frederick (13, MD), Michael (10, MD), William (8, MD), George (5, MD), and Catherine (2, MD).
His 1864 Naturalization record in Westminster states "Henry Richter a native of Hepe Cassell (Capell), Germany first appeared before the Circuit Court in Westminster Maryland on September 11, 1861 and declared under oath that it was his intention to become a citizen of the United States."
Listed in 1870 as a farmer (49, Prussia), with his wife Margaret (48, Prussia) and children William (16), George (14), Katie (10) and Lydia (9), all born in Maryland.
In 1880 he is listed again as a farmer (63, Cor Hessen) with dyspepsy, wife Margaret (61, Cor Hessen) with pulmonary disease, and children Frederick (29) dyspepsy, Michael (27), George (22) common cholic, and Lydia (18) - all born in Maryland.
Listed by himself, widowed and a retired farmer (79, GER) in 1900. He immigrated in 1838, was in the US 62 yrs, and was naturalized in 1844.