Joaquín de Montserrat, 1st Marquess of Cruillas was Spanish viceroy of New Spain, from October 6, 1760 to August 24, 1766.

José de Gálvez y Gallardo, 1st Marquess of Sonora was a Spanish lawyer and Visitador general in New Spain (1764–1772); later appointed to the Council of the Indies (1775–1787). He was one of the prime figures behind the Bourbon Reforms. He belonged to an important political family that included his brother Matías de Gálvez and nephew Bernardo de Gálvez.