Simeon Mallison was born in New York in 1842. He enlisted August 11, 1862 in the Union army. He was mustered into Company H, Michigan 18th Infantry Regiment in Reading, Michigan on August 26, 1862. He was captured (date not known) near Athens, Alabama and released in April 1865. He died on April 27, 1865 in the explosion of the steamboat Sultana along with 128 fellow 18th Michigan soldiers.

Simeon was brother to Lafayette (Lafe) Mallison (1837-1902) who married Josephine Hughes (1844-1915). Their son Stanley Fay Mallison (1880-1955) married (1902) Bertha A. Norwalk (1882-1954). She served dinners to the public at their Mallison Farm and later worked as a cook at the Hesperian House near the Michigan State University campus.

George W. Hewes (spelled Hughes later) was sister of Josephine and enlisted in Company C, in the 14th Ohio Regiment. He mustered out later in August. He then enlisted in the Michigan 18th with Simeon Mallison. He died of disease on February 13, 1863 in Lexington, Kentucky.