From the start of colonization, other groups from Catalonia, Asturias, Galicia, and Majorca had also immigrated, although the Canarian people formed the basis. Once the 19th century came, things changed drastically. According to Puerto Rican authors such as Cifre de Loubriel who researched the immigration wave patterns made to the island, during the 19th century the greatest number of Spaniards that came to the island with their families were Catalans and Mallorcans from the nearby Mediterranean regions.
