More info about the name "Ellery"
Ellery is derived from the name Hillary. Hillary originates in Latin language and means "cheery, humorous". It can be used as both feminine and masculine given names, currently it is more popular for girls. It functions as a surname as well, the famous bearer being Sir Edmund Hillary, the first man who climbed Mount Everest. The most famous female bearer of the given name is Hillary Clinton, an American politician and former First Lady.