α. Middle English Christenmesse, Middle English Cristenmasse, Middle English Cristenmes, Middle English Cristenmesse, Middle English Cristynmas, Middle English Cristynmasse, Middle English Cristynmes, Middle English Cristynmesse, Middle English Crystenmes, Middle English Crystynmas, Middle English Crystynmesse, Middle English–1500s Crystenmas, Middle English–1500s Crystenmasse, 1500s Christynmas, 1500s Chrystenmas, 1500s Chrystenmasse, 1500s Chrystynmas, 1500s Chrystynmes, 1500s Cristenmas, 1500s Crystynmasse, 1500s–1600s Christenmasse, 1500s– Christenmas, 1800s Chrissenmas (English regional), 1600s–1700s (1800s regional) Christenmass; also Scottish pre-1700 Christenmes, pre-1700 Christenmesse, pre-1700 Christinmes, pre-1700 Chrystinmese, pre-1700 Crisanmas, pre-1700 Cristinmes, pre-1700 Cristinmesse, pre-1700 Cristynmes, pre-1700 Cristynnmes, pre-1700 Crysthinmes, pre-1700 1900s– Chrissenmass, 1900s Chrissenmas.
β. 1500s Kyrstenmess; English regional (northern) 1800s Cursenmas, 1800s Kersenmiss, 1800s Kess'nmas, 1800s Kessenmas; Scottish 1900s– Chirsenmas.