Definitions of Hillary:

• noun:   New Zealand mountaineer who first attained the summit of Mount Everest with his Sherpa guide Tenzing Norgay (born in 1919)
• name:  A female given name (rare: 1 in 7692 females; popularity rank in the U.S.: #788)
• name:  A surname (very rare: popularity rank in the U.S.: #23755)