It seems that sun was feminine and the moon was masculine in Old English up to about the 16th century: "sun (n.) [...] Old English sunne was feminine (as gener

It seems that sun was feminine and the moon was masculine in Old English up to about the 16th century: "sun (n.) [...] Old English sunne was feminine (as generally in Germanic), and the fem. pronoun was used in English until 16c.; since then masc. has prevailed." [1] "moon (n.) [...] A masculine noun in Old English." [2] [1] https://www.etymonline.com/search?q=sun https://www.etymonline.com/search?q=sun [2] https://www.etymonline.com/search?q=moon https://www.etymonline.com/search?q=moon