A woman, who did not perform the obligatory Hajj, deputized someone to perform Hajj on behalf of her mother

Question 22: A woman who has not performed Hajj for herself wants to pay someone from her money to perform Hajj on behalf of her mother. Is it permissible for her to give money to someone else to perform Hajj for her mother? She has not performed Hajj herself, because her husband and sons refuse to accompany her to perform it. Please advise us!

Answer: It is permissible for the woman mentioned in the question to pay an amount of money to be used for performing Hajj on behalf of her mother, if her mother has passed away or is unable to perform Hajj by herself due to her old age or incurable disease… read more here.