On August 5, 1888, General Philip Henry Sheridan died of congestive heart failure at the age of fifty-seven. He is buried beneath the Sheridan Gate at Arlington National Cemetery.
In 1892 Cathy/Cathay/Cathey Williams disappeared from the census rolls. Neither her death certificate nor final resting place has ever been found.
In 2016, one hundred and fifty years after Cathy Williams served, the U.S. military officially allowed women to enlist for combat service.