Question 9: Our question is about celebrating the Mawlid (the Prophet’s birthday), is it Bidd`ah (innovation in Islaam)? I heard in some places and from some scholars that it is a good Bidd`ah and Allaah knows best, may Allaah bless you!
Answer: Celebrating the birth of the Prophet (peace be upon him) and righteous people is Bidd`ah which began in recent centuries, after the best three centuries of Islaam: the first, the second and the third centuries after Hijrah. It is one of the Bidd`ahs which some people have introduced into Islaam out of love for such celebrations, thinking that it is a good thing to do. The correct opinion, according to verifying scholars, is that such celebrations are Bidd`ah… read more here.