On June 23, 2014, I wrote about Mattie Robertson, composer/arranger and choir director of Chicago’s First Baptist Congregational Church. Recently, I had the pleasure of meeting her when the FBCC choir came to my home church, Broadway Christian in Columbia, MO. Her neice, Rachel Griffin took the picture of Mattie and me. Thanks Rachel, for the photo and for bringing this treasure to my attention.
Mattie Robertson revisited
Sisters in Song 
How about Frances j havergal
I wrote about her in my book, Sisters in Song. That book includes entries for over 100 sisters in song, including Fanny Havergal.