Write an excellent thank you letter for donations. Get tips and best practices, plus three inspiring samples and ready to use templates!"Your generous donation has made it possible for us to provide essential services to those in need. We are deeply grateful for your support. 1. Personalize the message. Just like any well-written donor thank you letter, your memorial donation gratitude notes should be personalized to each donor. Donors need to be appreciated too. If you want some guidance, check out our donor thank you letter templates for any organization! Donation thank you letter template: Learn how to craft heartfelt thank you notes and enhance donor engagement with LettrLabs. Go to Product Support and fill out the information for your event.