Has an AFL game ever ended 147-79?
Exactly once. On April 24, 2005, St Kilda beat Richmond 147-79, and no AFL game before or since has ended that way. When it happened it was a scorigami, the first 147-79 in league history.
That makes 147-79 the 3836th most common final score out of 6,607 that have ever occurred in AFL. One point away, 148-79 has happened 1 times and 147-80 has happened 1 times.