It is dislikeable to use such a name as “Malak” since this word denotes glorification and purification. It is reported in Saheeh Muslim that “The Prophet (Sallallahu Alaihi wa Sallam) rejected calling children with names like “Barrah” (righteous). The Prophet (Sallallahu Alaihi wa Sallam) said (commenting on such a name):
“Do not give yourself a status that exceeds yours. Indeed, Allah Knows best the righteous people amongst you”. They asked what should we name her? He said: ‘Give her the name of Zainab’”.
So, you may use other appropriate names for a Muslim child.
Parents, it is soooo important that when you name your child you name them with a name that is halal and not one just from your desires. If you name your child Malak, please fear your Lord and change it immediately. If you would like some idea on a good name:
When you find a name you like check with the scholars to see if it is okay. I may have made a mistake when compiling these lists. Allah Knows Best! Here is a fatwa on more names that are forbidden and disliked to be used.