London Genealogy Databases Online

The table below is a consolidated list, ordered by the number of records in databases offered online for London by Ancestry, Deceased Online, FamilySearch, Findmypast, and MyHeritage. It's updated from a post in January 2017. Changes are in bold. Not included are more comprehensive databases, such as the censuses, that cover a larger area, some cemetery database from the National Archives where the number of records is not available and, newspapers. Titles with less than 2,500 records are excluded. TheGenealogist also has London area databases but the number of records is not given.

Title	Source	Records
London, England, Electoral Registers, 1832-1965	Ancestry	179,071,664
London, England, Church of England Births and Baptisms, 1813-1917	Ancestry	21,605,324
London, England, City Directories, 1736-1943	Ancestry	19,793,623
England, London Electoral Registers, 1847-1913	FamilySearch	17,694,080
London, England, Church of England Baptisms, Marriages and Burials, 1538-1812	Ancestry	17,095,253
London, England, Church of England Marriages and Banns, 1754-1932	Ancestry	13,305,217
London, England, Land Tax Records, 1692-1932	Ancestry	12,772,584
London, England, Workhouse Admission and Discharge Records, 1764-1930	Ancestry	10,198,397
London, England, School Admissions and Discharges, 1840-1911	Ancestry	3,161,852
London, England, Church of England Deaths and Burials, 1813-2003	Ancestry	2,733,953
Greater London Burial Index	Findmypast	2,007,013
Web: England, London Lives Index, 1690-1832	Ancestry	1,653,830
London Lives, Culture & Society 1680-1817	Findmypast	1,653,803
Web: London, England, Proceedings of the Old Bailey and Ordinary's Accounts Index, 1674-1913	Ancestry	1,246,537
London, England, Clandestine Marriage and Baptism Registers, 1667-1754	Ancestry	894,892
London, Docklands and East End Baptisms	Findmypast	792,505
Middlesex, London, Old Bailey Court Records 1674-1913	Findmypast	788,627
London, England, City of London and Tower Hamlets Cemetery Registers, 1841-1966	Ancestry	764,378
London and Surrey, England, Marriage Bonds and Allegations, 1597-1921	Ancestry	750,614
Bunhill Cemetery (The National Archives)	DeceasedOnline	711,000
London Borough Of Southwark	DeceasedOnline	600,000
Boyd's Inhabitants Of London & Family Units 1200-1946	Findmypast	583,158
London, England, Poor Law Hospital Admissions and Discharges, 1842-1918	Ancestry	512,961
London, England, Poor Law School District Registers, 1852-1918	Ancestry	510,893
London Apprenticeship Abstracts, 1442-1850	Findmypast	486,370
Greater London Marriage Index	Findmypast	486,081
London, England, Selected Poor Law Removal and Settlement Records, 1698-1930	Ancestry	484,755
London Borough Of Camden	DeceasedOnline	470,400
London, England, Freedom of the City Admission Papers, 1681-1930	Ancestry	463,958
Manor Park Cemetery	DeceasedOnline	430,000
London Borough Of Islington	DeceasedOnline	425,700
London Borough Of Lewisham	DeceasedOnline	385,000
Royal Borough Of Greenwich - London	DeceasedOnline	371,000
London, England, Poor Law and Board of Guardian Records, 1738-1926	Ancestry	319,763
London, England, Overseer Returns, 1863-1894	Ancestry	294,833
London, England, Non-conformist Registers, 1694-1931	Ancestry	284,953
Surrey & South London Wills & Probate Index, 1470-1856	Findmypast	261,370
London, England, Newgate Calendar of Prisoners, 1785-1853	Ancestry	257,953
Kensal Green Cemetery	DeceasedOnline	257,500
London, England, Stock Exchange Membership Applications, 1802-1924	Ancestry	256,986
London Borough Of Lambeth	DeceasedOnline	255,000
London, Bethlem Hospital Patient Admission Registers and Casebooks 1683-1932	Findmypast	247,517
Boyd's London Burials	Findmypast	242,635
Eltham Crematorium	DeceasedOnline	210,000
Brompton Cemetery	DeceasedOnline	205,000
Brompton, London, England, Cemetery Registers, 1840-2012	Ancestry	204,827
Trafford Council	DeceasedOnline	202,000
UK, University of London Student Records, 1836-1945	Ancestry	188,619
London, England, Selected Rate Books, 1684-1907	Ancestry	186,366
London Borough Of Newham	DeceasedOnline	180,000
London, England, School Admissions and Discharges, 1912-1918	Ancestry	178,308
Highgate Cemetery	DeceasedOnline	166,000
London, England, Marriage Notices from The Times, 1982-2004	Ancestry	160,030
City Of London, Haberdashers, Apprentices and Freemen 1526-1933	Findmypast	136,468
London, England, Wills and Probate, 1507-1858	Ancestry	135,186
London, Bethlem Hospital Patient Admission Registers and Casebooks 1683-1932 Browse	Findmypast	129,898
Spa Fields Cemetery (The National Archives)	DeceasedOnline	114,000
London, England, Births and Christening Notices from The Times, 1983-2003	Ancestry	107,313
London Borough Of Merton	DeceasedOnline	100,000
London Borough Of Havering	DeceasedOnline	75,000
London, England, Metropolitan Police Pension Registers, 1852-1932	Ancestry	68,589
London Probate Index	Findmypast	62,820
London Borough Of Harrow	DeceasedOnline	58,700
The Times (London, England)	Ancestry	56,218
London, England, Death Notices from The Times, 1982-1988	Ancestry	54,514
London, England, Church of England Confirmation Records, 1838-1923	Ancestry	52,837
London, England, Land Tax Valuations, 1910	Ancestry	44,374
The London Gazette, Supplements August 1914 - January 1920	Findmypast	40,558
Newark Town Council	DeceasedOnline	40,000
London Borough Of Brent	DeceasedOnline	40,000
The National Archives - Military Burials	DeceasedOnline	39,000
London, England, London Transport Staff Registers, 1863-1931	Ancestry	36,693
Surrey and City Of London Livery Company Association Oath Rolls, 1695-96	Findmypast	32,965
London, England, King's Bench and Fleet Prison Discharge Books and Prisoner Lists, 1734-1862	Ancestry	32,198
Dacorum Borough Council - Hemel Hempstead	DeceasedOnline	29,153
London, England, Marshalsea Prison Commitment and Discharge Books, 1811-1842	Ancestry	28,849
London, England, Crisp's Marriage Licence Index, 1713-1892	Ancestry	27,932
London Borough Of Sutton	DeceasedOnline	27,500
London, England, Royal Holloway and Bedford College Student Registers, 1849-1931	Ancestry	27,370
London, Westminster Marylebone Census 1821 & 1831	Findmypast	22,529
London Poor Law Records, 1581-1899	Findmypast	22,441
City Of London, Ironmongers' Company, Apprentices and Freemen 1511-1939	Findmypast	22,157
London, Dulwich College Register 1619-1926	Findmypast	18,313
Welwyn Hatfield Borough Council	DeceasedOnline	14,568
Britain, Russian Orthodox Church In London Browse	Findmypast	13,218
London, England, TS Exmouth Training Ship Records, 1876-1918	Ancestry	12,107
London County Council Record Of War Service 1914-1918	Findmypast	10,145
London, Bunhill Fields Non-Conformist Burials 1713-1826 Browse	Findmypast	5,716
London, Watermen, List Of Free Watermen, 1827	Findmypast	5,449
London Volunteer Soldiers	Findmypast	5,271
City Of London, Gunmakers' Company Freedoms and Admissions, 1656-1936	Findmypast	5,187
London, Archdeaconry Court Of London Wills Index, 1700-1807	Findmypast	4,687
London, Court Of Husting Will Abstracts, 1258-1688	Findmypast	3,853
London & Middlesex Registers & Records	Findmypast	3,355
London Post Office Directories 1842, 1851 and 1861, Browse	Findmypast	3,231
London Consistory Court Depositions Index, 1700-1713	Findmypast	3,104
London, England, Selected Church of England Parish Registers, 1558-1875	Ancestry	2,967
London 1916 Kelly's Post Office Directory	MyHeritage	2,651
London, England, Gamekeepers' Licences, 1727-1839	Ancestry	2,578