So glad you mentioned this.  I was astonished to see a photo of McCain’s mother earlier today with the caption that she is 106 years old. https://   people.com/politics/john-mccain-death-mother-roberta-proud-legacy/ She looks damned good for 106, lol.  And BTW, there are quite a few supercentenarians in the US, in fact more people are living longer, so I guess it might be rare, but it is not impossible: https://    en.m.wikipedia.org/wiki/List_of_supercentenarians_from_the_United_States