Family Tree Maker (the program we use to keep records)

241,100 other useful links (at the last count!) at Cyndi's List

Family Search 1881 Census (useful for who lived where = when)

Free BDM (births, deaths and marriages 1837-1983)

The National Archives (1881 census=free 1891 en 1901 census=pay)

BDM Certificates UK service for ordering BDM certificates online (fees)