In religio-mythology, Mary, from the PIE *mer- "to gleam, glimmer, sparkle" or Gothic marei "sea", aka “Stella Maris” or star of the sea, referring to the star Sirius, is the name of a number of Biblical female characters: “Virgin Mary” (Egyptian equivalent: Isis) or Mary, mother of Jesus (Egyptian equivalent: Horus; Osiris-Horus), Mary Magdalene (Egyptian equivalent: Nephthys), Mary, the sister of Martha and Lazarus (Egyptian equivalent: Osiris), who gives Jesus his first “anointing”, among others, who each are Roman recension rescripts of the Egyptian Mert goddesses, i.e. Mary pairs, who were associated with the resurrection of Osiris, i.e. annual rising of the Orion constellation, following the annual flooding of the Nile river, the start of which being marked by the annual helical rising of Sirius. [1]

Virgin Mary
The following shows visually how the Egyptian mythological story of how Isis, in the form of a kite (hawk), gets an erection out of the dead mummified body of Osiris, to conceive, via a magical process called the "black rite" (Ѻ), wherein Thoth stops time, the divine child Horus (Christian equivalent: Jesus), was rewritten, monotheistically, into the Roman recension Christian mythological story of the so-called “Virgin Mary” becoming impregnated with the Holy Spirit to miraculously conceive Jesus: [2]

Virgin Mary 2

As told in Matthew 1:18-20 (Ѻ) as follows:

“Now the birth of Jesus Christ was on this wise: When as his mother Mary was espoused to Joseph, before they came together, she was found with child of the Holy Ghost.Then Joseph her husband, being a just man, and not willing to make her a public example, was minded to put her away privily.But while he thought on these things, behold, the angel of the Lord appeared unto him in a dream, saying, Joseph, thou son of David, fear not to take unto thee Mary thy wife: for that which is conceived in her is of the Holy Ghost.”

This is a classic example of “god reduction”, wherein an act originally polythestically described in terms of three gods (Osiris, Isis, and Horus) is reduced to a story involving one god (Holy Ghost), a man-god (Jesus) and a woman (Mary).

References
1. Mere – Online Etymological Dictionary.
2. Thims, Libb. (2016). Smart Atheism: For Kids (pdf | 309-pgs). Publisher.

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