Jen, my kid just turned three in october and has been shooting a bow with nerf darts since last Christmas and talks about hunting all the time. He may even have his animal identification down better than most adults.He also now that we eat what we shoot/hunt. I'm am proud that I can start him so young.
I don't let people that disapprove bother me or even give them the chance to do so.
kudos to you hunting and shooting in a safe way will instill many things that will stay with one for life. Good luck to you and your family's adventures.