Hazrat Abu Al-Bakhtari says that wailing over the deceased is among the practices of ignorance.

12483 - Waki‘ narrated to us (Ishaq ibn ‘Uthman al-Kalabi narrated to us) from Isma‘il ibn ‘Abd al-Rahman ibn ‘Atiyyah al-Ansari from his mother, who said: I said to her: What is the customary practice you were forbidden from? She said: Wailing.

Hazrat Zaid bin Aslam says that by the verse of the Holy Qur'an { وَلاَ یَعْصِیْنَکَ فِیْ مَعْرُوفٍ }, it is meant that women will not tear their collars, will not strike their faces, will not loosen (scatter) their hair, and will not cry out "Ah! Ah!" (wailing and lamenting at the time of calamity).

Hazrat Abu Alia says that in { وَلاَ یَعْصِیْنَکَ فِیْ مَعْرُوفٍ }, "ma'ruf" refers to every action that is in accordance with obedience to Allah, and His Prophet would not be pleased that he be obeyed in disobedience to Allah.

Hazrat Sha'bi says that curse has been invoked upon the woman who wails and the one who listens to wailing.

Hazrat Jabir narrates that the Holy Prophet (peace and blessings be upon him) forbade wailing.