David Polk Jr. (b. Maryland, d. 15 April 1857 Brookville, Jefferson County, Pennsylvania) and his wife Mary Charlotte Warner (b.
In 1860 Polk, four of his siblings and their widowed mother were living with his maternal grandfather in Trenton, New Jersey.
After years of carnage with the largest number of dead, diseased and maimed soldiers ever witnessed on the continent, large bounties were being paid to attract new recruits to what would become the last New Jersey Infantry Regiment formed for the war.
[4] By 1880, Polk was living in Detroit with wife Amelia, working as a directory clerk,[5] while paying for adopted daughter Frances to be a boarding pupil at the Ursuline Convent of the Sacred Heart's St. Ursula Academy in Toledo, Ohio.
Her husband, Second Lieutenant Ulysses Grant Kemp, died as a result of injuries from a fall during a practice company cavalry charge, leaving her to return to Detroit with two-year old daughter Amy Polk Kemp (1897–1981), and seven months pregnant with daughter Dorothy Grant Kemp (25 October 1898 Detroit, Wayne County, Michigan – 22 July 1985 Birmingham, Oakland County, Michigan; political activist, concert pianist, second wife of Hall Roosevelt and mother of three daughters, sister-in-law of Eleanor Roosevelt[13]).
Polk died on 21 August 1923 in Saint Paul, Ramsey County, Minnesota, during a business trip.