Sorry to bring up race but it’s the US and the SES is too highly correlated to ignore these in a data conversation and we all do things slightly differently roughly by race/background, there’s no monoculture in the US
I used rich as shorthand placeholder of blue blood, noble, famous and rich. Not everyone who is rich is noble and noble doesn’t mean they are rich.
I know a lot of people that just go by their middle names in this scenario. Even my brother was named like this and the intent from the beginning was he’d go by his middle name.
I think maximum pompousness goes to those that make sure you know they’re a third or fourth. If I meet you at a cocktail party and will never meet you again, don’t introduce yourself as William H Gates the Third, just say Bill.