Ellory is a spelling of Ellery, an English surname that grew out of the medieval given name Hilary, from the Latin hilaris, "cheerful". The -ory ending makes it feel like a sister to Mallory and Emery, and the El- start gives easy access to the nickname Ellie. In the United States Ellory has risen from number 5172 in 2015 to its best rank of 1917 in 2024 and stands at number 2340 in 2025.