Dear [Visitor's Name],
Greetings in the name of our Lord and Savior!
I am writing to extend a heartfelt thank you for joining us at [Your Church Name] for our Christmas Eve service. It was a joy to have you with us as we celebrated the birth of Jesus Christ, a time of great joy and reflection.
Your presence added to the warmth and spirit of our gathering. At [Your Church Name], we strive to create a welcoming and nurturing environment for all who walk through our doors, and we hope you felt the love and fellowship of our church family.