Finder's Keeper — Laura Anne Gilman

Forbidden to practice the magic she inherited from her mother, Davida Sanderson left her comfortable  Boston home for a wilderness farm, and freedom. There, she finds respect, and peace, able to use her gifts to find what had gone missing, and restore what was lost.  But in the early days of the Civil War, more has been lost than can be found, and her heart won't be able to hide forever....A Sanderson Women story