Julia
Easton's Dictionary
A Christian woman at Rome to whom Paul sent his salutations (Rom. 16:15), supposed to be the wife of Philologus.
Smith's Dictionary
(feminine of Julius), a Christian woman at Rome, probably the wife of Philologus, in connection with whom she is saluted by St. Paul. (Romans 16:15) (A.D. 55.)
International Standard Bible Encyclopedia
joo'-li-a (Ioulia): The name of a Roman Christian to whom Paul sent greetings, the wife or sister of Philologus with whose name hers is coupled (Ro 16:15). The name points to member of the imperial household.