Also lots of religious names, at least in Spain but probably in many romance countries, since last names were derived from the father's name: Pedro (given) => P

Also lots of religious names, at least in Spain but probably in many romance countries, since last names were derived from the father's name: Pedro (given) => Perez (son of Pedro), Alvaro => Alvarez, etc. https://en.wikipedia.org/wiki/Surname https://en.wikipedia.org/wiki/Surname https://es.wikipedia.org/wiki/Apellido#Origen_de_los_apellidos_hisp%C3%A1nicos https://es.wikipedia.org/wiki/Apellido#Origen_de_los_apellid...