The Prodigal Cousin (The Calvert Cousins #3)
Anna Adams

Her daughter is Molly Calvert. Once known as the wild Calvert, Molly has settled down to become a respected teacher at the little elementary school in Bardill's Ridge.
Years ago, she put her family through too much, and she's not prepared to hurt them ever again. Which is why she has to ignore the feelings she's beginning to have for Sam -- her mother's long-lost son.
THE CALVERT COUSINS
Come on down to the Smoky Mountains of Tennessee. Here you'll meet the Calverts, a family that's been living and loving in Bardill's Ridge for over a hundred years. A few Calverts have left, but somehow they always seem to come home...