↑ 2.02.12.22.32.4Ancestry.com. Baltimore, Passenger Lists, 1820-1964. (Ancestry.com Operations Inc) The National Archives at Washington, D.C.; Washington, D.C.; Records of the US Customs Service, RG36; NAI Number: 2655153; Record Group Title: Records of the Immigration and Naturalization Service, 1787-2004; Record Group Number: 85.