Thanks - I'm trying it
Edit: Tried this on a baby and a toddler. Toddler worked fine (reminding myself they're only pixels lol). Baby didn't work very well - it became a ghost but it never left the lot or spawned an urn. It just stayed a ghost through several savings, exits and re-enters of the lot. No memory in family member's history of him dying either. They could not interact with the baby though, and acted as if it weren't there. Also, he continued to appear on the family picture each time I entered the lot, until I just used moveobjects on and deleted him. His body was gone, still no urn (I did save, exit and re-enter).
Just thought I'd let you know in case anyone else is interested.