Everest \e-vere-st, ev(e)-rest\ as a boy's name is of Old English origin. Probably related to Everett. Mount Everest, the tallest mountain in the world, was named for a 19th-century surveyor of India, Sir George Everest. Fashion designer Timothy Everest.
Similar baby names are Everet, Evered, Evert, Everitt and Everette.