If you are lucky enough to get your family back till the 17th century you may be surprised at the number of sources there have lists of names that may help you in your family research especially if your family member was a non conformist or Roman Catholic.
http://www.archive.org/details/transactions08unknuoft Transactions of the Congregational Society.
http://www.archive.org/stream/yorkshirepuritan00dalerich/yorkshirepuritan00dalerich_djvu.txt
Yorkshire Puritanism and early nonconformity
http://www.archive.org/stream/listofpersonswho00guilrich/listofpersonswho00guilrich_djvu.txt
A list of persons who were disclaimed as gentlemen of coat armour
http://web.mac.com/quintapress/PDF_Books/Calamy_1713_Volume_2_Text.pdf
An Account of the Ministers Lecturers Masters and Fellows of Colleges and Schoolmasters who were ejected or silenced after the Restoration
There is also "An account of the sufferings of the people called Quakers"
There is a list of recussants (roman catholics) and also presbyterians quakers etc applying for a licence to teach or to worship in their own home.
Its worth looking to see if you have any ancestors turning up in these lists
http://www.archive.org/details/transactions08unknuoft Transactions of the Congregational Society.
http://www.archive.org/stream/yorkshirepuritan00dalerich/yorkshirepuritan00dalerich_djvu.txt
Yorkshire Puritanism and early nonconformity
http://www.archive.org/stream/listofpersonswho00guilrich/listofpersonswho00guilrich_djvu.txt
A list of persons who were disclaimed as gentlemen of coat armour
http://web.mac.com/quintapress/PDF_Books/Calamy_1713_Volume_2_Text.pdf
An Account of the Ministers Lecturers Masters and Fellows of Colleges and Schoolmasters who were ejected or silenced after the Restoration
There is also "An account of the sufferings of the people called Quakers"
There is a list of recussants (roman catholics) and also presbyterians quakers etc applying for a licence to teach or to worship in their own home.
Its worth looking to see if you have any ancestors turning up in these lists