I don't know if anyone knows about this website but I think it's great. It helps find possible birthdays of just about anyone. It's
It is by NO MEANS accurate. And it can have WAY TOO many responses with common names but if you know the city, state, or zip code and time frame you can narrow it down. I have many "not so common" surnames in my tree so I have many responses with just one or two possibilities which makes it really easy to narrow down.