This is not our first trip through your privacy anxiety. Nor the second. Nor the third.

Your assertion that priests “nose into the living arrangements” appears to be unfounded. He is a pastor, not simply a clerk, and if you self-identify as a Catholic and parishioner, you’ve only yourself to blame.

If you’re concerned about a record of Baptism, get a notarized statement that you performed Baptism using the valid form and date and time with witnesses. At worst the child will be conditionally baptized later in the unlikely even that she or he every marries in the Catholic Church having been raised in an environment where what he or she does is none of the priest’s business.