Ann Dunham Soetoro (November 29, 1942 - November 7, 1995) was an American anthropologist. She is best known as the mother of US President Barack Obama. She was born Stanley Ann Dunham in Fort Leavenworth, Kansas and later known as Dr. S. Ann Dunham Soetoro. Dunham spent her teenage years in Mercer Island near Seattle, Washington. Much of her adult life was spent in Hawaii. In 1995 in Hawaii, she died of uterine cancer which spread to her ovaries.