From the record
“The Mordecai Lincoln House is a historic house located in Washington County, Kentucky, 6 miles (9.7 km) north of Springfield, Kentucky. It was the home of Mordecai Lincoln, brother of Thomas Lincoln, the father of the 16th President of the United States Abraham Lincoln.”
Wikipedia article Mordecai Lincoln House (Springfield, Kentucky), CC BY-SA 4.0.
One of 69 National Register listings published here for Washington County · listed in 1972 · category: Building.
Sources: the Wikipedia article · the case file at the National Archives · the National Register database, National Park Service · the Wikipedia article