A name like that screams new money / no roots to me. There is a big difference between uncommon names but with deep roots like the above mentioned Sixtus and c

A name like that screams new money / no roots to me. There is a big difference between uncommon names but with deep roots like the above mentioned Sixtus and completely unique names X Æ A-12. The former is very common in the upper classes, the latter not so much.