[ansel12]

What would he be an illegal immigrant to?

He never set foot in the United States, and had zero to do with it’s creation.

[Mrs. Don-o]

From ansel12: "He [Serra] never set foot in the United States, and had zero to do with it’s creation."

Serra had $137 to do with its creation.

That info is from the Letters of Captain Don Pedro Fages and the Reverend President Fr Junipero Serra at San Diego, California by Henry R. Wagner (LINK)