You may have found mourning letters and memorial cards for Belgian relatives among the papers of your immigrant ancestors. But most often you will have to hunt for them in the archives of genealogical and historical societies and in the files of private collectors. Luckily many societies, archives and collectors have placed their indices online and will provide genealogists with a scanned image upon request.
The following is a selected list of websites for societies, archives, and private individuals who collect mourning letters and death memorial cards. Keep in mind that in most cases, location of the archive or collector does not reflect the scope of the collection.
The custom of distributing death memorial cards during Roman-Catholic funeral services dates back to the seventeenth century. At first they were handwritten, but during the early nineteenth century printed cards became the norm. Initially reserved for bishops, priests, and other dignitaries, the prayer card tradition spread to the upper and middle classes, and the development of inexpensive printing techniques made them more affordable to all members of society by the early twentieth century. 1
Though not as rich as mourning letters, memorial cards contain brief genealogical information with many clues for the savvy genealogist. At the very least they provide the place and date of birth and death for the deceased. Cards also customarily include the name of spouse(s), both deceased and living. Cards for young children mention the parents.
They place his soul in your prayers. Such was the request of my ancestors who announced the death of their dear husband and beloved father. When my second great-grandfather passed away in 1901 his immediate family printed, as was customary, a mourning letter [Doodsbrief – Faire-part de décès – Trauerbrief].