Is it permissible to make du'a' (supplication) for a specific person during prayer?

Question : Now, we said that, according to the stronger position, one supplicates as he wishes. Is it permissible to supplicate for a specific person? For example, saying, "O Allah, reward so-and-so on my behalf with good," or "O Allah, forgive so-and-so"?

Answer : The answer is yes, it is permissible, because this is supplication. And since it is established that the Messenger (peace and blessings be upon him) supplicated for specific groups of people and for specific individuals, he supplicated for the oppressed in Makkah and supplicated against the tyrants in Makkah. However, he was prohibited from cursing the tyrants. Since the Messenger (peace and blessings be upon him) supplicated for a specific person, it is permissible for you to supplicate for a specific person while you are in your prayer, whether it is your father, your mother, your brother, or any person you love to supplicate for.