Cleveland, North Yorkshire & South Durham Family History Society.
1851 census index of Acklam, Aislaby, Carlton, Castlelevington, Eaglescliffe, Elton, Grindon, Hartburn, Ingleby Barwick inc High Leven & Leven Bridge, Kirklevington, Linthorpe (Ayresome & Newport incl), Long Newton, Maltby, Middlesbrough, Newsham, Norton,- 1891 census for rural Darlington (north)
- 1891 census index of Appleton-upon-Wiske, Birkby, Deighton, East Cowton, East Harlsey, Great Smeaton, Hornby, Hutton Bonville, Little Smeaton, South Cowton, Welbury, West Harlsey and West Rounton. (RG12/4025)
- 1891 census index of Arkletown, Booze, Crackpot, Ellerton Abbey, Eskeleth, Fremington, Grinton, Healaugh, Hurst, Langthwaite, Marrick and Reeth . (RG12/4035)
- 1891 census index of Askrigg, Aysgarth, Bainbridge, Bishopdale, Burton cum Walden, Carperby cum Thoresby, Newbiggin, Stalling Busk, Thornton Rust, Woodhall and Worton. (RG/4032)
- 1891 census index of Barnard Castle County School, Barningham, Boldron, Bowes, Brignall, Egglestone Abbey, Gilmonby, Greta Bridge, Hope, Hutton Magna, Lartington, Ovington, Rokeby, Scargill, Stainton, Startforth, Streatlam, Thorpe, Westwick, Whorlton andW
- 1891 census index of Barnard Castle. (RG12/4080)
- 1891 census index of Bedale, Aiskew, Burneston, Burrill cum Cowling, Carthorpe, Crakehall, Exelby, Fencote, Gatenby, Hackforth, Killerby, Kirkby Fleetham, Kirklington cum Upsland, Leeming Bar, Scruton and Theakston. (RG12/4028)
- 1891 census index of Billingham, Carlton, Cowpen Bewley, Elton (part), Grindon, Hartburn, Haverton Hill, Long Newton, Newton Bewley, Port Clarence, Preston on Tees, Redmarshall, Thorpe, Whitton, Wolviston, Wynyard Park, Shipping schedules and Stockton Wor
- 1891 census index of Billy Row, Crook (part) and Roddymoor. (RG12/4076)
- 1891 census index of Bishop Middleham, Bradbury, Butterwick, Cornforth, Coxhoe, Embleton, Fishburn, Foxton, Mordon, Preston-le-Skerne, Sedgefield, Shotton, West Cornforth and Woodham. (RG12/4055)
- 1891 census index of Borrowby, Brompton, Ellerbeck, Foxton, Gueldable, Kirby Sigston, Leake, Northallerton (part), Osmotherley, Sowerby under Cotcliffe, Thimbleby, Winton Stank and Hallikeld. (RG12/4026)