Hello how may I help you? who was the oldest person ever? Hello, the oldert person ever lived was Jeanne Calmennt and she was 122 years old. cool where did she live? She lived in France wow, what year did she die? She died in 2016 wow thanks. who was the tallest person ever? Gee, you sure are inquisitive. The tallest person ever was Robert Pershing Wadlow. Born in 1918 In Illinois He was 8 feet, 11.1 inches tall cool thank you You are quite welcome.