From this, I would tentatively conclude that (1.) the vernacular pronunciation of the name became a single-syllable "Jon" fairly early on, and (2.) the John spelling might have originally been a Latin-language abbreviation, but it came to be used as the standard vernacular spelling because it matched the vernacular pronunciation.
grammar - Jon and I or Jon and me? - English Language & Usage Stack ...
Old: Directed by M. Night Shyamalan. With Gael García Bernal, Vicky Krieps, Rufus Sewell, Alex Wolff. A vacationing family discovers that the secluded beach where they're relaxing for a few hours is somehow causing them to age rapidly, reducing their entire lives into a single day.
It’s only a matter of time. A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day.
A group of families on a tropical holiday discover that the secluded beach where they are staying is somehow causing them to age rapidly – reducing their entire lives into a single day. On Digital...
Irish Star on MSN: Jon Stewart attacks 'chubby face' JD Vance as 'world peace depends on him'
Jon Stewart mocked JD Vance in a fiery speech on The Daily Show, joking about his role in the failed US–Iran talks and questioning if he’s suited for global diplomacy ...
Jon Stewart attacks 'chubby face' JD Vance as 'world peace depends on him'
AOL: Jon Stewart explains why his name is in the Epstein files
Jon Stewart is clarifying why his name appears in the latest batch of the Jeffrey Epstein files. “Of course, to get ahead of the story, I am also in the files,” the 63-year-old host explained on ...