I am not going to comment on these posts, but I posting them here more as a bookmark, to remind myself to go back and read them more carefully:
- http://shannonselin.com/2016/05/alternate-history-books-women/
- https://strangecharmbooks.co.uk/category/reviews/alternate-history/
- http://www.jowaltonbooks.com
- http://graemeshimmin.com/alternative-history-novels-written-by-women/
Not all by women, but a few very promising examples: