s/o Robert & Sarah (Scott) Gunn
Siblings: William Gunn, Elizabeth Gunn, John Gunn & Charles Scott Gunn

h/o Patience Ridlen (m. January 8,1860, Hancock County, Indiana), with whom he shares a headstone

f/o Mary Jane Gunn
(d. May 13, 1918, Hancock County, Indiana)
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Sources:
1.) Censuses:
a.) "United States Census, 1850," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MHJN-C1J : 9 November 2014), Joel J Gunn in household of Robert Gunn, Brandywine, Hancock, Indiana

b.) "United States Census, 1860", database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:M4FP-D3S)
Brandywine Township, Hancock, Indiana
Joel J Gunn M 23 Indiana
Patience Gunn F 21 Indiana

c.) "United States Census, 1880," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MH97-MSF)
Brandywine, Hancock, Indiana
Joel J Gunn Self M 43 Indiana
Patience Gunn Wife F 41 Indiana

d.) "United States Census, 1900," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MM1Z-46S)
Brandywine Township Carrollton village, Hancock, Indiana
Joel J Gunn Head M 63 Indiana (m. 40y)
Patience Gunn Wife F 61 Indiana (c. 1/0)

e.) "United States Census, 1910," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MK5P-Y35)
Van Buren, Shelby, Indiana
Joel J Gunn Head M 73 Indiana
Martha E Harrison Niece F 50 Indiana
Cecil Harrison Niece F 12 Indiana

f.) "United States Census, 1920," database with images, FamilySearch (https://familysearch.org/ark:/61903/1:1:MF42-B3V)
Van Buren, Shelby, Indiana
Martha Harrison Head F 62 Indiana
Ina Harrison Daughter F 28 Indiana
Joel J Gunn Uncle M 84 Indiana
Fred Harrison Son M 40 Indiana