Various Society of Genealogists databases which used to be available on British Origins (the Origins Network) are now on findmypast:
Records Date range Number of records
Apprentices of Great Britain 1710–1774 350,000
Boyd's Inhabitants of London & Boyd's Family Units 1200–1946 583,159
Boyd's London Burials 1538–1872 242,844
Boyd's Marriage Index 1538–1840 5,405,161
Boyd's 1st Misc Series 1538–1775 1,470,640
Faculty Office Marriage Licence Allegations 1701–1850 321,472
Vicar-General Marriage Licence Allegations 1694–1850 356,834
Prerogative Court of Canterbury Wills Index 1750–1800 207,959
St Andrew Holborn Marriage Index 1754–1812 37,450
St Leonard's Shoreditch burials 1805–1858 38,246
St Leonard's Shoreditch workhouse deaths 1820–1828 702
Teachers' Registration Council Registers 1914–1948 101,506
Trinity House Calendars 1787–1854 6,508
When they were on British Origins you couldn't search them properly without having a subscription, and even then the search facility was quite inflexible, so this should be much better - except that on findmypast you can't specify spouse's name in your search.
If you're wondering what Boyd's 1st Misc Series is, it's an addition to Boyd's Marriage Index covering the following counties:
Bedfordshire, Berkshire, Buckinghamshire, Cheshire, Cornwall, Dorset, Hampshire, Herefordshire, Hertfordshire, Huntingdonshire, Isle of Wight, Kent, Leicestershire, Lincolnshire, Northamptonshire, Nottinghamshire, Oxfordshire, Rutland, Staffordshire, Surrey, Sussex, Warwickshire, Westmorland, Wiltshire, and Worcestershire.