Can I get some help with my family tree?

Question:

Can I get some help with my family tree?

Im researching my family tree & have hit a bit of a block...I've found both my great-grandparents but have a problem with going back to my great-great-grandparents...

My great-grandfather had a very common name & I've found 100's of men with the same name, about the same age from the same area...how can I determine which 1 he is?

Also, on the 1881 census, my great-grandmother was recorded as a child, the head of the house being her mother as her father was in the Navy - there's no mention of her father's name or her mothers maiden name - how can I find her mothers maiden name & her fathers name?

I've tried looking for their marriage certificate as I think it will help but have no idea what year they married, all I know is my grandads (their son) date of birth.

Any help/advice would be greatly appreciated - I've tried things like ancestry.com & genesreunited but there's nothing of genesreunited & ancestry.com is too expensive.

Best Answer - Chosen by Asker: its expensive..but thats the only way....