The MacKinnon's Bride (The Highland Brides, #1)

by Tanya Anne Crosby

He peered over at her, watching her expression as she rode, gauging her mood, and then added, “Suisan.” Christ forgive him, he hadn’t meant to test the name so soon, hadn’t even thought about what to call her, but the name came to his lips even so, and he thought it suited her perfectly. Delicate and beautiful, like the lily she was, but sturdy, too, coming back each spring after weathering the bitterest of snows.

You can't just rename people love!