Meaning of the surname Ruiz
Ruiz is a Spanish surname of the patronymic type meaning "son of Ruy". It is one of the 50 most common surnames in Mexico. Twentieth in Mexico.
The surname comes from the given name Rodrigo, which means "famous ruler".
Formed from a father's given name with the suffix -ez, -es, or -iz, meaning 'son of'. Hernández is the son of Hernando, Martínez the son of Martín. About half of the most common Mexican surnames are patronymics.
In Mexico a person carries two surnames, the father's and then the mother's, so Ruiz appears as either half of a pair: Ruiz García, López Ruiz. Read how the two-surname system works.