England
www.genuki.org.uk GENUKI provides a virtual reference library of genealogical information of particular relevance to the UK and Ireland.
www.familysearch.org
www.cyndislist.com A comprehensive, categorized & cross-referenced list of links that point you to genealogical research sites online.
www.ancestry.com -- subscription
http://freebmd.rootsweb.com/ free birth, marriage, death indexes for England and Wales
http://bmdindex.co.uk
http://newspapers.bl.uk/blcs -- British newspapers 1800 -1900 search is free, $ to download
www.familyrelatives.org
www.pro.gov.uk National Archives of U.K. some free, some pay
http://www.1837online.com/ some free, some pay
http://freecen.rootsweb.com/ free census 1841-1891 -- so far only a few online
http://www.1901censusonline.com/ index is free, view image is pay
www.documentsonline.nationalarchives.gov.uk wills for England and Wales -- search index free, pay to view image
www.liverpool.gov.uk click on A-Z of Council Services, then family history -- marriage records for Liverpool online and link to BMD records of Lancashire, etc.
www.ukbmd.org.uk/ links to web sites that offer on-line transcriptions of UK births, marriages, deaths and censuses.
www.bbc.co.uk/ww2peopleswar/categories/ -- stories written by people who lived through and fought in WW II
www.ancestorsonboard.com Passenger lists with over 24 million records from ships sailing to destinations worldwide.
www.oldbaileyonline.org -- free, fully searchable, digitized accounts of over 100,000 criminal trials between 1674 and 1834.
www.familysearch.org
www.cyndislist.com A comprehensive, categorized & cross-referenced list of links that point you to genealogical research sites online.
www.ancestry.com -- subscription
http://freebmd.rootsweb.com/ free birth, marriage, death indexes for England and Wales
http://bmdindex.co.uk
http://newspapers.bl.uk/blcs -- British newspapers 1800 -1900 search is free, $ to download
www.familyrelatives.org
www.pro.gov.uk National Archives of U.K. some free, some pay
http://www.1837online.com/ some free, some pay
http://freecen.rootsweb.com/ free census 1841-1891 -- so far only a few online
http://www.1901censusonline.com/ index is free, view image is pay
www.documentsonline.nationalarchives.gov.uk wills for England and Wales -- search index free, pay to view image
www.liverpool.gov.uk click on A-Z of Council Services, then family history -- marriage records for Liverpool online and link to BMD records of Lancashire, etc.
www.ukbmd.org.uk/ links to web sites that offer on-line transcriptions of UK births, marriages, deaths and censuses.
www.bbc.co.uk/ww2peopleswar/categories/ -- stories written by people who lived through and fought in WW II
www.ancestorsonboard.com Passenger lists with over 24 million records from ships sailing to destinations worldwide.
www.oldbaileyonline.org -- free, fully searchable, digitized accounts of over 100,000 criminal trials between 1674 and 1834.
Scotland
http://www.scotlandspeople.gov.uk/ --subscription
http://www.scottishdocuments.com
www.sctbdm.com Births Deaths and Marriages Exchange for Scotland
www.ukbmd.org.uk links to web sites that offer on-line transcriptions of UK births, marriages, deaths and censuses.
www.cyndislist.com A comprehensive, categorized & cross-referenced list of links that point you to genealogical research sites online.
www.ancestry.com -- subscription
www.familysearch.org
www.geograph.org.uk -- pictures from all over UK submitted by citizens, tourists, etc.
http://www.scottishdocuments.com
www.sctbdm.com Births Deaths and Marriages Exchange for Scotland
www.ukbmd.org.uk links to web sites that offer on-line transcriptions of UK births, marriages, deaths and censuses.
www.cyndislist.com A comprehensive, categorized & cross-referenced list of links that point you to genealogical research sites online.
www.ancestry.com -- subscription
www.familysearch.org
www.geograph.org.uk -- pictures from all over UK submitted by citizens, tourists, etc.
Ireland
http://infowanted.bc.edu -- the Boston Pilot printed a "Missing Friends" column of people looking for lost friends and relatives who had emigrated from Ireland to the US between 1831 and 1921
http://failteromhat.com/griffiths.php -- Griffiths valuation 1848-1864, first survey of property ownership
www.otherdays.com -- over 130 databases, subscription based
www.irishorigins.com -- wills, index of heads of household in City of Dublin 1851 census -- subscription
www.clarelibrary.ie -- free databases, including transcription of 1901 census for County Clare
www.irishgenealogy.ie -- records cover 11 counties, mainly in the north and west of Ireland.
www.familysearch.org
www.ancestryireland.com/index.php -- IGP research center for the counties of Antrim and Down. subscription
www.cork.anglican.org -- computerizing Church of Ireland parish registers for County Cork. $30 fee for search
www.groireland.ie
www.groni.gov.uk
www.nationalarchives.ie National Archives of Ireland
www.proni.gov.uk
www.nli.ie -- National Library of Ireland
www.ireland.anglican.org Church of Ireland
http://failteromhat.com/griffiths.php -- Griffiths valuation 1848-1864, first survey of property ownership
www.otherdays.com -- over 130 databases, subscription based
www.irishorigins.com -- wills, index of heads of household in City of Dublin 1851 census -- subscription
www.clarelibrary.ie -- free databases, including transcription of 1901 census for County Clare
www.irishgenealogy.ie -- records cover 11 counties, mainly in the north and west of Ireland.
www.familysearch.org
www.ancestryireland.com/index.php -- IGP research center for the counties of Antrim and Down. subscription
www.cork.anglican.org -- computerizing Church of Ireland parish registers for County Cork. $30 fee for search
www.groireland.ie
www.groni.gov.uk
www.nationalarchives.ie National Archives of Ireland
www.proni.gov.uk
www.nli.ie -- National Library of Ireland
www.ireland.anglican.org Church of Ireland