Angelus: “That's just drinking water.
Cordelia: “Fresh from a mountain spring, delivered right to our door then blessed every second Tuesday by Father Mackie, the local parish priest, while you're down in the Bat-cave, sleeping through the better part of the day. You don't believe me? Have some!
— Eternity

Father Mackie was supposedly a local parish priest based in Los Angeles. Cordelia Chase confronted the temporarily-returned Angelus, by telling him she was holding water blessed by Mackie, making it Holy Water.