primeroEtymologyBorrowed from Spanish Primero. This surname is mostly found in Mexico.nameA surname from Spanish.nounA card game resembling poker, dating back at least to the 16th century.“[Thomas] Lou[ell]. Came you from the King, my Lord? / [Stephen] Gar[diner]. I did Sir Thomas; and left him at Primero / With the Duke of Suffolke.”