[Your letterhead, if desired; if not, your return address]
[Date of letter-month, day, and year]
[Recipient's first and last names]
[Street or P.O. box address]
[City, State ZIP code]
Dear [recipient's name]:
After many months of planning and waiting, our wonderful baby girl is finally home with us. We officially adopted Sally Marie on May 18th, and she has been adding so much love to our lives every day since then. We are all doing wonderfully with this transition, and we invite you to visit us as soon as you can to meet our little Sally.
Thank you from the bottom of our hearts for encouraging us every step along the road in the adoption process. You mean so much to our family.
[Sender's first and last names]