Windows trilogy Series by Amii Lorin

After a car accident, Alycia Matlock awakens in the year 1777. Much to her surprise, she meets a man who could be the double of her present-day love, Sean. And though she finds romance with Major Patrick Halloran, she is unable to dismiss her love in a different time and place. First of the Windows trilogy. Contemporary/Historical Romantic Time Travel by Amii Lorin; originally published by Kensington