I recently read about Bibi Ravinder Kaur Ji (Sikh Digest, July-October 2004 edition), which is written by Californian Sevadars.
Reference:: Sikh Philosophy Network http://www.sikhphilosophy.net/history-of-sikhism/570-prominent-sikh-women.html

I'll type up that article as soon as I have time to do so.