This guide offers tips for writing acknowledgement letters to families for donations made in memory of a loved one. What do you need to include in your donation acknowledgment letter?In-Kind Donation Form. Donor Name (Company or Individual). Pay tribute to a loved one with a gift in honor or in memory of them while helping others in need. Thank you for choosing to support Breakthrough T1D (formerly JDRF) to honor the memory of your loved one. Pay tribute to loved ones or make memorial donations. Make a donation in someone's name and Komen will mail a tribute card to them about the donation. This guide makes it easy to find the right wording for a memorial donation.