Janette Oke 
When Breaks the Dawn (Canadian West Book #3) 

Having survived the harshness of their first year in the far Northwest, Elizabeth and Wynn, her Royal Canadian Mountie, now face new challenges. Just when they’ve made new friends and started a new school, they are presented with a new posting. It seems Elizabeth’s dreams for a family and home of her own are not to be. Will their love for each other, hope for the future, and their faith in God carry them through the crushing disappointments? Book 3 of the bestselling Canadian West series.