Note 63 — VIII. THE INDECLINABLES
Reading edition
São, Santo and Santa, Saint. São is a short form of Santo, and is used before names beginning with a consonant, as São José, São Tomaz. Santo is used before words beginning with a vowel, as Santo Antonio, Santo Ignacio. Santa is the feminine form and is used before feminine nouns; the final a is dropped when the name begins with a vowel, as Sant’ Anna.