A native of Springfield, New Hampshire, Swetland was the ninth of ten children born to Roswell and Naomi (Rockwell) Swetland. At the age of nineteen, he left home for an apprenticeship in the harnessmaking and saddlemaking trades. On May 23, 1841, he married the former Arabella Fellows, who bore him three children. Two years later, he left New Hampshire to settle in London, Ohio, where he began to conduct business; between 1847 and 1856, he moved at various times to Pickaway County, Mount Sterling, and again to London, where he joined in partnership with William Chandler for a ten-year period.
Swetland was a prominent part of the society of London; he joined its Masonic lodge in 1850, and he was a member of the Knights of Pythias and a leader in the Knights Templar. After a time of service on London's village council, he was elected as a Democrat to the Ohio House of Representatives, serving from 1867 to 1869. He and his wife were active members of the local congregation of the Methodist Episcopal Church.
- "United States Census, 1900," database with images, FamilySearch accessed 12 May 2017, Jeriah Swetland in household of William Chandler, Union Township London village Ward 1-2, Madison, Ohio, United States; citing enumeration district (ED) 69, sheet 2A, family 34, NARA microfilm publication T623 (Washington, D.C.: National Archives and Records Administration, 1972.); FHL microfilm 1,241,299
- "Ohio, County Death Records, 1840-2001," database with images, FamilySearch 13 December 2014), Jeriah Sweatland, 24 Nov 1906; citing Death, London, Ohio, United States, source ID v 3 p 239, County courthouses, Ohio; FHL microfilm 545,131
- Brown, Robert C. History of Madison County, Ohio. Chicago: Beers, 1883, 943-944.
- National Park Service (2009-03-13). "National Register Information System". National Register of Historic Places. National Park Service.
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