hillary
/hˈɪləɹi/
[hˈɪlɚi]/hˈɪləriː/
Etymology
LatinEnglish
The surname 'Hillary' is of English origin, derived from the medieval given name 'Hilary', which comes from the Latin 'hilaris' meaning 'cheerful' or 'joyful'. It was used as a surname in England by the 13th century. The name entered global recognition through Sir Edmund Hillary's historic 1953 Everest ascent.