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, the free Historical U.S. Counties Auto-Checker extension for Google Chrome automatically checks that the county existed in the year you are searching, warns of boundary changes, and links to historical county lines on Google Maps for the place and years you are searching!
Install for free today and never let an ancestor fall of the map again!
For a step-by-step example of how the tool works, check out this post: Ancestor fall off the map? Use this FREE Chrome extension for Ancestry or FamilySearch to find them!
Note, this is the first version of this tool, so if you find any bugs or issues, please contact me on the form on the lower left side of this page. And if you find it useful, please leave a rating or review on the chrome web store.