Welsh Americans are an American ethnic group whose ancestry originates wholly or partly in Wales, United Kingdom. In the 2008 U.S. Census community survey, an estimated 1.98 million Americans had Welsh ancestry, 0.6% of the total U.S. population. This compares with a population of 3 million in Wales. However, 3.8% of Americans appear to bear a Welsh surname.

Jackson County is a county located in the U.S. state of Ohio. As of the 2020 census, the population was 32,653. Its county seat is Jackson. The county is named for Andrew Jackson, a hero of the War of 1812 who was subsequently elected President of the United States. It is known as "The Little Wales of Ohio." Jackson County comprises the Jackson, OH Micropolitan Statistical Area.