My mother was Josephine Cooolidge, daughter of Joseph W Coolidge.She was born in Council Bluffs, Iowa.
Her Father was the son of Henry P. Coolidge, a Founder of the city of Glenwood, Iowa.Her mother was Grace Neath, Joesph's second wife.a
Joseph was an engineer with the Union Pacific RR; He died while on a run to Columbus, Nebraska.
My great-Great Grandfather was also nemed Jos Wellington Coolidge, ofFar West, Mo, Nauvoo, Il, and Glenwood, Ia.He was a Mormon, and one of Joseph Smith's original Council of fifty.He was the builder of the Smith home in Nauvoo; Also the executor ot Smith's estate.I have followed the lineage somewhat to a John Coolidge of Watertown, Mass, but details are sketchy.
If you wish to research this further, you may start with The History of Platte County, Nebraska.