She had previously worked for the Kuwait Credit and Savings Bank and was secretary for the library of the Executive Office for Occupied Land Affairs in Amman.
[1] Mansour first developed an interest in children's literature when she was taken by her school teacher to go to the local municipal library at the age of nine years old.
[3] Mansour was the author, the preparator and translator of works for children including Ahmed's Return, A Journey Between the Planets, Fire Birds, Khaled bin Walid, Tariq bin Ziyad, The Three Rays of the Suns, The Unknown Article and The War of the Worlds.
[5][6] In Mansour's home in the western Amman suburb of Rasheed on the morning of 31 October 2018, the author was killed when she was stabbed eight times reportedly by an Ugandan-born maid whom she had employed for 13 years.
[4][5][6] The maid stole some of Mansour's possessions inside the house and subsequently attempted to flee Jordan but was arrested when passport officers at Queen Alia International Airport learnt of the author's murder from her son.