Question 11: I named my son ‘Fath-ul-Baaree’ and he is now ten years old. I am inquiring about the ruling on his name as to whether it is permissible or prohibited. Is it obligatory according to Shar` (Islaamic law) that we change a compound name into a normal name such as ‘Nayeef’, ‘Thawaab’, or ‘Fathi’ bearing in mind that the current name has already been registered in the official documents? Please provide us with your beneficial answer!
Answer: It is permissible to use the name which is mentioned in the question ‘Fath-ul-Baaree’. This name is not prohibited because it means Fadl (a favor) or Fath (a victory) from the Creator (Glorified and Exalted be He)… read more here.