He married Celia Edgell in 1879. They had two sons:
Robert Edgell 1881-1957
George E. 1893–1912
He passed away in 1916.
Find A Grave: Memorial #68946222 Find A Grave, database and images (https://www.findagrave.com : accessed 9 August 2018), memorial page for James Montgomery (4 Jul 1833–28 Jun 1916), Find A Grave Memorial no. 68946222, citing Poplar Grove Cemetery, Poplar Grove, Boone County, Illinois, USA ; Maintained by Phyllis Wallington (contributor 47156764) .
It may be possible to confirm family relationships with James by comparing test results with other carriers of his ancestors' Y-chromosome or mitochondrial DNA.
However, there are no known yDNA or mtDNA test-takers in his direct paternal or maternal line.
It is likely that these autosomal DNA test-takers will share DNA with James: