Thus spake Betsy.
And I replied unto her (in my best Here's-Your-Catechetical-Reminder voice), "That's Father A., sweetie. And it only says 'Dan' because that's the way his email address address shows up in my Inbox. And I'm wishing him a happy anniversary because Holy Thursday is the anniversary of the institution of the priesthood. Remember?"
"Oh. Yeah. That makes sense."
Don't forget to sensibly wish your priest a happy anniversary today.