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Description from extension meta
While searching Ancestry & FamilySearch, auto-checks county and place, notes boundary changes, shows historical county maps
Image from store
Description from store
Let this tool do the location work for you as you search on Ancestry.com or FamilySearch.org.
Optional upgrade for Ancestry.com users: Tree Fact-Checking and LifeMap!
U.S. county boundaries have changed over 17,600 times since America was settled in colonial times. Don’t sabotage your search for ancestors by not knowing the correct county for the historical years you are researching.
While searching on Ancestry or FamilySearch, this Historical U.S. Counties Auto-Checker extension for Google Chrome automatically checks that the county existed in the year you are searching, checks for valid places, warns of boundary changes, and links to historical county lines on Google Maps for the place and years you are searching!
Install today and never let an ancestor fall off the map again!
The Historical U.S. Counties Auto-Checker Chrome extension makes use of the award-winning randymajors.org Research Hub’s Historical U.S. Counties on Google Maps tool, underpinned with the complete dataset of the authoritative Newberry Atlas of Historical County Boundaries.
INSTRUCTIONS:
1. Install the Historical U.S. Counties Auto-Checker Chrome extension by clicking the "Add to Chrome" button in the upper right corner of this page.
2. Go to any search form on Ancestry.com or FamilySearch.org and start typing a place and a year. As you finish typing in each box, the Historical U.S. Counties Auto-Checker Chrome extension will update information in a box as shown in the screenshots. Note that the information shown is updated based on the last year box and place box you were interacting with.
3. Read the Note and Warning messages that appear about some counties, and click the MAP link to view historical county boundaries for the place/county/state and historical year you are researching. The Auto-Checker first tries to center the map on the city/place/township you are searching for, and if it cannot find an exact match, it centers on the county you are searching for, and as a final fallback centers on the state you are searching for.
4. Using the map, when you find the correct county name for the year you are researching, put that county name in the place search box on Ancestry or FamilySearch in the form "City, County, State, USA"
ENABLE TREE FACT-CHECKING & LIFEMAP FUNCTIONALITY: If you are a randymajors.org Research Hub Monthly Contributor, the Auto-Checker will also check all U.S. location facts on Person profile pages on Ancestry trees, plus create a link to an interactive LifeMap for each ancestor! And your MAP links will open into ad-free fullscreen map windows any time you click a MAP link! LEARN MORE HERE: https://www.randymajors.org/access-ad-free-fullscreen-tools#compare
That's all there is to it. Hope the tool helps you discover some "hidden" records!
(When you install the Auto-Checker, you may see a standard confirmation window that states that the extension can “Read and change your data on www.ancestry.com or www.familysearch.org or www.google-analytics.com”. Rest assured that the Historical U.S. Counties Auto-Checker Chrome extension ONLY reads the place and year fields and shows the county information as shown in the screenshots above; it absolutely DOES NOT make any changes to your data whatsoever. No logins or email addresses are required to use the extension!)
Latest reviews
- (2022-06-09) Erin: I just wanted to say thank you for your hard work! It is appreciated.
- (2021-07-19) Charles Powell: This extension on Microsoft Edge browser is changing the way I work. I am solving mysteries, eliminating confusion, and de-duplicating places, plantations, farms, ambiguous names, and non-populated areas more than ever before and with MUCH less effort. As you state, the data is already out there, but your website and extensions make it much easier to access and use, more than any process or tool that I’ve ever tried. For decades, I’ve avoided fixing these places and now I’m tackling it head-on.
- (2020-03-28) Librarian Fort Fairfield Public Library: As I librarian I wholeheartedly support this Chrome extension! We have installed it on all of our genealogy computers at the library because it works for AncestryLibrary Edition too! So easy to use and is extremely helpful when searching older records. Once you've identified an accurate place name for a specific time period you will then be able to search other databases with that same location to open up much more information in your research.
- (2020-03-24) Laura Majors: This is a great extension. So easy to use and super quick. Enabled me to find some info I had been struggling with before because the county didn't exist in the year I was searching. Who knew?
- (2020-03-24) Marisa Alonzo: Excellent Chrome extension! It makes it so easy to find county location mistakes when searching on Ancestry.com. It helped me uncover several census and other records that I didn't know existed for my great great grandfather. Now that this extension exists, I won't search on Ancestry without it!