1881 Census for Great Britain – National Index by Region, based on 1881 LDS cdroms
C.C. = Chapman County Code R.C. Regional Individual & Family codes used
| Region/County | C.C. | R.C | Region/County | C.C | R.C. |
| East Anglia – EAR, EAI, EAF | EA | Scotland Region | SR | ||
| Bedford | BDF | Highlands – SRH, SHI, SHF | SH | ||
| Cambridge | CAM | Aberdeen | ABD | ||
| Huntingdon | HUN | Forfar (Angus) | ANS | ||
| Lincoln | LIN | Argyll | ARL | ||
| Norfolk | NFK | Banff | BAN | ||
| Northampton | NTH | Bute | BUT | ||
| Rutland | RUT | Caithness | CAI | ||
| Suffolk | SFK | Clackmannan | CLK | ||
| Greater London Region – GLR | Dunbarton | DNB | |||
| London – Middlesex – GLRLM | LM | Fife | FIF | ||
| Greater London West – GLRWC, WCI, WCF | WC | Inverness | INV | ||
| Berkshire | BRK | Kinross | KRS | ||
| Hampshire | HAM | Elgin (Moray) | MOR | ||
| Isle of Wight (with Hampshire) | IOW | Nairn | NAI | ||
| Oxford | OXF | Orkney | OKI | ||
| Surrey | SRY | Perth | PER | ||
| Greater London East – GLREC, ECI, ECF | EC | Ross & Cromarty | ROC | ||
| Buckingham | BKM | Stirling | STI | ||
| Essex | ESS | Sutherland | SUT | ||
| Hertford | HRT | Zetland (Shetland) | SHI | ||
| Sussex | SSX | ||||
| Kent | KEN | Lowlands –SRL, SLI, SLF | SL | ||
| Midlands Region – MR | Ayr | AYR | |||
| Midlands West – MRMW, MWI, MWF | MW | Berwick | BEW | ||
| Cheshire | CHS | Haddington (East Lothian) | ELN | ||
| Hereford | HEF | Edinburgh (Midlothian) | MLN | ||
| Shropshire | SAL | Roxburgh | ROX | ||
| Stafford | STS | Selkirk | SEL | ||
| Worcester | WOR | Peeble | PEE | ||
| Midlands East – MRME, MEI, MEF | ME | Lanark | LKS | ||
| Derby | DBY | Linlithgow (West Lothian) | WLN | ||
| Leicester | LEI | Renfrew | RFN | ||
| Nottingham | NTT | Dunfermline | |||
| Warwick | WAR | Kirkcudbright | KKD | ||
| North Central Region – NCR, NCI, NCF | NC | Wigton | WIG | ||
| Lancashire | LAN | Royal Navy (Scotland) | |||
| Yorkshire | YKS | ||||
| Northern Borders & Miscellany Region – NBR, NBI, NBF | NB | Wales & Monmouth Region – WMR, WMI, WMF | WM | ||
| Channel Islands | CHI | Anglesey | AGY | ||
| Cumberland | CUL | Brecon | BRE | ||
| Durham | DUR | Caernarvon | CAE | ||
| Isle of Man | IOM | Cardigan | CGN | ||
| Miscellaneous | Carmarthen | CMN | |||
| Northumberland | NBL | Denbeigh | DEN | ||
| Royal Navy | Flint | FLN | |||
| Westmorland | WES | Glamorgan | GLA | ||
| Southwestern Region – SWR, SWI, SWF | SW | Merioneth | MER | ||
| Cornwall | CON | Monmouth | MON | ||
| Devon | DEV | Montgomery | MGY | ||
| Dorset | DOR | Pembroke | PEM | ||
| Gloucester | GLS | Radnor | RAD | ||
| Somerset | SOM | Ireland – IRE, IRI, IRF | IR | ||
| Wiltshire | WIL | All counties |