Answers
1. Maria, Fernando, José, Juan, Pedro
2. No my family name are no commmon
3. Yes my family name is Lugo and comes to a town in Spain
4. No my name doesn´t mean anything, but some names do like Mata (kill) , Limón (lemon), Dolores (pain), etc.
5. Yes there are, some of them are Peter, George, Robert.
6. When I meet someone for the first time and the person is older than me i call him with last name and when it has the same age than me or youngest i call him with the first name.
7. Yes i use surnames (Mr., Mrs.) in the job when i call some persons with an important position.
8. In my languague is common to use pet names like reina, duquesa, cariño, etc