Meaning and Name Origin
Ellery \e-lle-ry\ as a boys' name is pronounced EL-er-ee. It is of Old English origin, and the meaning of Ellery is "alder tree". Also related to Latin Hilary meaning "cheerful". Literary: familiar since the 1930s due to the fictional detective Ellery Queen.
Ellery has 1 feminine form: Elleree.
Ellery is an uncommon given name for males but a very popular surname for all people (#20267 out of 88799, Top 23%). (2000 U.S. Census)
Below is a graphed analysis of the popularity of the boy name Ellery and affiliated names. Hilario is the only prominent alternative form of Ellery (#unlisted). This boy name reached the top of its popularity during the years 1920-1929 and has become less popular since. (Top 1000 Baby Names Records, 2014)
A recommended similar baby name is Ellar. Like Ellery, this name is not frequently used.