'Til Morning Light — Ann Moore

Fleeing the ravages of famine-stricken Ireland with her young children, Gracelin O'Malley heads for San Francisco to accept the marriage proposal of a local sea captain, but when her plans go awry, she is forced to accept a job with a prominent doctor, only to become caught up in a web of blackmail and betrayal, in the finale of a trilogy that began with Gracelin O'Malley and Leaving Ireland. Original.