I respectfully disagree, primarily because I’ve know only 3 Alberts in my life (one was my grandpa), and each of them preferred to be called Albert. By contrast, I’ve known a number of guys named Alan/Allen/Allan, and each one them went by Al.
If we are doing anecdotes, I know one Albert- Al and one Albert-not Al.
Assuming Al Bundy was born the same year as Ed O’Neil (1946) the most common “Al” baby boy name was Alan (#49 overall).
Outstanding nitpick. I am impressed 
Most parents were probably impressed by Alan Ladd, but Al Bundy may have been sired by some Chicago dimwit who still had some admiration for the deranged, syphilitic gangster about to kick the bucket.
https://marriedwithchildren.fandom.com/wiki/Al_Bundy
Trivia
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It is not actually clear if Al had a full first name, as Al can be short for several first names such as Alfred, Albert, Alan, Alvin, Alex, Alistair, or Alphonse.
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In “Al Bundy, Shoe Dick”, when the museum curator presents Al with a reward check, it is difficult to read but it appears to be made out to “Alvin P. Bundy”.
- Peg also calls Al “Alvin Bundy” in “Ship Happens (Part 2)” to convince the reporters that he is the twin brother of Al.
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In “Un-Alful Entry”, his driver’s license says “Al Bundy”, implying that Al is the name given to him at birth and that he doesn’t have a middle name. A driver’s license typically requires the full legal name to be written out.
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Several websites state that Al’s first name is “Alphonse”, but have not provided any verifiable sources to back this up.
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In “Al… with Kelly”, during a dream sequence, Al is called “Al Hercules Bundy” by one of his fantasy girls, Yvonne.
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In the trailer for the Married… with Children animated series, when Al is being robbed, a close up of Al’s wallet with his driver’s license reveals that his name is “Albert”.
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I just learned that Billie Jean King recently earned her college degree…at age 82. Her degree is from Cal State and her major is history.
Her brother, former MLB pitcher Randy Moffitt, died last year.
Or Alfred or Alex or Alphonso or…
There are a lot of Al names.
Or Alois(e) or Alexander.
If the Wikipedia entry on him is correct, it is clear that his first name was Alphonse.
Is it correct? Do we know?
Btw, the only Alphonse I ever knew was German.
Hydronyms often preserve names from dead languages because they are more resistant to change than other names. Lop Nor is a lake in Xinjiang. Nor is the Mongolian word for lake; that much is clear. The name Lop, though, doesn’t correspond to anything in any of the language families in the area: it isn’t Mongolian, Turkic, Tibetan, or Chinese. It must be the only remaining trace of a completely unknown language that died out many centuries ago. Think of that.
Yeah, well, hum…
Lop. Nice word.
Hydronym. Also a nice word. A word for water, right? Hydro. Makes sense. Lop. Water. Like plop, just without the starting P. Plop! Funny that water has names that change depending on where it is.
Can I stop now?
Splurge!
Right. As you know well, all those “D–n–” river names in and around Ukraine – Don, Dnieper, Dniester, Danube… – haven’t changed much since Proto-Indo-European times (from a word meaning “to flow*”), and in fact are one bit of evidence toward this being the PIE “homeland.”
(*Also gave us Latin fons → “fountain”.)
I just did a Google on what his name is. It said that it’s never given in the show. If that’s true, Wikipedia is wrong.
His name is repeated frequently on the show: “Al”. It’s some people’s expectation that “Al” cannot be a name that’s driving speculation that it’s something else.
Buck Owens’s first name name was ‘Alvis.’