On September 12, 1910, he was elected Graham County Delegate to the Arizona Constitutional Convention.

Simm also ran for treasurer in 1942,[4] but lost in the primary to James D. "Jim" Brush in a four-way race, narrowly coming in second.

Throughout his life he was a dry goods salesman, a Graham County recorder, a farmer, and a rancher.

[citation needed] On May 15, 1946, Simms married Sarah Loella Wright.

[citation needed] He died on July 22, 1957, at St. Joseph's Hospital in Phoenix, Arizona.