Ellery is a relatively unique name and therefore there are not many synonyms for it. However, some names that have a similar sound might include Eleanor, Elsie, Ellie, Eliza, or Elton. If you are looking for synonyms in terms of meaning, some options could be "cheerful," "bright," "shining," or "radiant." Alternatively, you could also look for synonyms in terms of personality traits, such as "charismatic," "outgoing," "confident," or "personable." Ultimately, the best synonym for Ellery would depend on the specific context and what qualities you are trying to convey.