When Nelson Cline Montgomery was born in 1849, in Lawrence, Indiana, United States, his father, Hugh Montgomery, was 38 and his mother, Sarah J. Johnson, was 29. He married Nancy Jane Smith on 24 November 1867, in Sullivan, Indiana, United States. They were the parents of at least 5 sons and 2 daughters. He lived in Bono, Bono Township, Lawrence, Indiana, United States in 1850 and Pleasant Township, Coffey, Kansas, United States in 1880. He died in 1899, in Topeka, Shawnee, Kansas, United States, at the age of 50, and was buried in Topeka Cemetery, Topeka, Shawnee, Kansas, United States.
English, Scottish, and northern Irish (of Norman origin): habitational name from Sainte-Foy-de-Montgomery and Saint-Germain-de-Montgomery (Calvados). In Ireland this surname was present in the medieval period, died out, and was then reintroduced from Scotland in the 17th century. It has been Gaelicized in Ireland as Mac Iomaire and in Scotland as Mac Gumaraid.