Entry 1 sense Webster, 1913 Parishioner /pẽr-ĭsh'-ən-ẽr/ · Pa·rish·ion·er · IPA /pəˈɹɪʃənə(ɹ)/ 01 n. One who belongs to, or is connected with, a parish. 1. One who belongs to, or is connected with, a parish.