In many cultures, it is customary to pray for the dead. This may be done for a variety of reasons, including to help the deceased soul find peace or to commemorate their life. There are often specific rituals and traditions associated with these prayers, which may be carried out over the course of several days.  For example, in the Catholic tradition, there are seven prayers for the dead that are typically recited on consecutive days. These prayers include the Our Father, Hail Mary, and Apostles' Creed, among others. Each prayer is said three times in succession, for a total of 21 times. The idea behind this is that each repetition will help the deceased soul progress to the next stage of purification.  Similarly, in Jewish tradition, it is customary to say the mourner's Kaddish prayer for 30 days after a loved one has passed away. This prayer is said in part to praise God and reaffirm faith in the face of death. It is believed that by doing this, the mourner can help ease the pain of loss and honor their loved one's memory.  While the specifics may vary from one culture to another, praying for the dead is a practice that is found in many traditions around the world. Whether it is done for religious reasons or simply to offer comfort, it is an act that can bring peace to those who are grieving.