We have minimized the use of abbreviations on this website in an effort to reduce confusion and misinterpretation. In those instances where abbreviations are used, the guide below may be of assistance.
| c (date) or circa (date) | indicates the date is close, but not exact, usually within 1-4 years, Example might be from census age |
| say (date) or est (date) | this date is only an estimate based on other events in order to establish a reasonable timeline for planning purposes. A semi-educated guess, it could be off as many as 10-15 years. |
| bef (date) | event happened before this date |
| btw (date) | event happened between these dates |
| aft (date) | event happened after this date |
| US Census | Population Schedule of United States |
| ED | Enumeration District number from census |
| dwl or hh | dwelling or household number from census |
| fam | family number from census |
| sh or pg | hand written sheet or page number on census |
| [###] | numbers in square brackets indicate a stamped sheet or page number on census sheet |
| [abc] | text in square brackets indicate added comments by the author |
