Laia, Marc, Berta and Martí/Martina are very common names in Catalonia. My family name it is not common. Some Catalonian surnames refer to trades or professsions, such English (Fuster, Ferrer, Baster,
In my country when you meet someone for the first time you use the surname, but it depends of it's a formal or informal situation.
Common pets names in Catalonia are english words too (honey, baby) and also catalan words (tresor, vida, amor, cel, estimat).