In the ranking of the most common first names Ruy is on position 4294.
Meaning of "Ruy"
Male first name (Spanish): Ruy, Old High (two-part name); hruod = fame; rihhi = rich, powerful, power, rule, ruler, old Germanic or German two-part name, known by the last king of the Visigoths, Roderick, who died 711 in battle against the Arabs