Arlene Sachitano
Harriet Truman, widowed and taking over her aunt’s quilting business and home, in fictional Foggy Point, Washington, in the Loose Threads mysteries:

Quilt as Desired (2007)

Quilter’s Knot (2008)

Quilt as You Go (2009)

Quilt by Association (2010)

Harley Spring, a divorced single mother and supervisor with Sil-Trac, a computer chip company, in Hillsboro, near Portland, Oregon:

Chip and Die (2003)

The Widowmaker (2010)