JFK, blown away.
What else do I have to say?
Gaius Julius Caesar
Only one that I can find for Feb 11 1958.
Ernest Jones, British psychonanalyst (b. 1879). I’ve never heard of him before now.
Mine is interesting to pro wrestling fans: 1969 – Michael DiBiase, American pro wrestler (b. 1923). He’s the adoptive father of “The Million Dollar Man”, Ted DiBiase.
So, if reincarnation’s true, who’s who?
Lefty Grove, the great baseball pitcher. Oddly enough there seem to be no notable births (besides myself) or major events on May 22, 1975.
I think it was George Carlin who observed that far too many people today who think they have been reincarnated remember having been royalty - far too few remember having been peasants.
I wondered too, but if you do Google Search for
“Born on May 19th”
or similar, the nndb.com list seems to show as the 1st or 2nd result.
I was born the day after two famous assassins were executed, and the day before a prominent Republican politician was born.
ETA: But no one died on my exact birthday. 
Mike Connolly, Hollywood columnist best remembered for having once been punched in the mouth by Shirley MacLaine.
Kanjiro Kawai, Japanese potter who pioneered folk art techniques in mass production.
Ah but this case is different. Our reincarnatees are all Dopers. So they’ve come up in the world.
H.B. Reese, inventor of the Peanut Butter Cup.