Sorry to hear about your family's losses. I agree that you can definitely make money doing this. Not just births and deaths, but big anniversaries, too. Montages of the bride and groom? Graduations parties? Gifts for grandparents or far-away families? I think you could even market to companies for things like their annual party and such.
Contact event planners, funeral homes, event facilities, wedding coordinators, maybe even wedding photographers. You'll want to be careful scanning (reproducing) professionally taken photos to avoid legal and ethical issues of copyright, though.
And if you can make yours different than normal, you'll stand out from the others. You know how TheMistressT feels about "normal".