Births, Marriages and Deaths

Free BMD on Rootsweb - an index of births marriages and deaths for England and Wales
Volunteers are putting the GRO birth, marriage and death indexes on the web. You can search for your ancestor by name and if you find them, get the information you need to order a birth, marriage or death certificate. The main period covered is from 1837 to 1901. The project is not yet complete but there are millions of records online already.
General Register Office for England and Wales
The General Register Office for England and Wales website allows you to order certificates online as well as information about how to obtain certificates by post.
General Register Office for Northern Ireland
The website of the General Register Office for Northern Ireland gives information on how to visit and use the indexes of birth, marriage and death as well as how to order a certificate by post or online.
General Register Office for Scotland
The website of the General Register Office for Scotland gives information on how to visit and use the indexes of birth, marriage and death as well as how to order a certificate by post.
General Register Office for the Republic of Ireland
If you wish to obtain a certificate issued for a birth, marriage of death occurring since 1921 in the counties making up the Republic of Ireland, you should apply to the General Register Office of Ireland.
The National Library of Wales
The National Library of Wales holds copies of the Birth, Marriage and Death indexes for England and Wales. You will find visitor information on their website.
ScotlandsPeople
A website run by Scotland Online on behalf of the General Register Office for Scotland. A pay-per-view website including indexed digital images of the statutory registers of births (1855-1903), marriages (1855-1928) and deaths (1855-1953) for Scotland, the 1891 and 1901 Scottish censuses, and indexes to the 1881 census and the Old Parish Registers of baptisms and marriages.
Find my past.com website
This site includes an online version of the General Register Office (GRO) indexes of Births, Marriages & Deaths for England & Wales from 1837 to 2001. The 1837 to 1983 section contains scanned images of the indexes (the same as the ones you will see at the Family Records Centre) and the 1984 to date section is in a database format. There is a direct link to the GRO certificate ordering site. 1837online is a pay-per-view site - the basic charge is 10 pence per image view with a minimum charge of £5.
NSW (New South Wales) Registry of Births, Deaths and Marriages
New South Wales, Births, Marriages and Deaths. Many British people visited or immigrated to NSW, and this site contains a free searchable index with the abiltiy to order certificates online
British Columbia archives for Canada
Canada (British Columbia) births, Marriages and Deaths. Many Britsh emigrants went to BC and this searchable database is very useful.