Edith Maxwell
Cameron (Cam) Flaherty, an organic farmer taking over her great-uncle’s farm, in rural Massachusetts, in the Local Foods mysteries:

A Tine To Live, a Tine To Die (2013)

’Til Dirt Do Us Part (2014)

Farmed and Dangerous (2015)

Murder Most Fowl (2016)

Mulch Ado about Murder (2017)

Rose Carroll, a Quaker midwife in Amesbury, Massachusetts, beginning in 1888:

Delivering the Truth (2016) [review]
Finalist 2016 Agatha Award for Best Historical Novel
Finalist 2017 Macavity Award for Best Historical Mystery

Called to Justice (2017)

Written as Tace Baker
Lauren Rousseau, a Quaker linquistics professor, in Ashford, Massachusetts:

Speaking of Murder (2013)

Bluffing Is Murder (2014)

Written as Maddie Day

Robbie Jordan, proprietor of a Pans ’N Pancakes, a restaurant in fictional South Lick, Indiana, in the Country Store mysteries:

Flipped for Murder (2015)

Grilled for Murder (2016)

When the Grits Hit the Fan (2017)