Apostle Cowley married 4th wife, Lenora Taylor performed by John A. Woolf. Apostle Cowley was disfellowshiped, but never excommunicated. He was restored to full fellowship in 1936. Lenora passed away on 8 Jan 1971 making her the last living legitimate Polygamous wife in the LDS church (not in Mexico).
[Exploring Mormonism: Polygamy Timeline, http://www.exploringmormonism.com/polygamy-timeline/]