Khalīl al-Haddād was born on 1 February 1875 in Lebanon as the third of eight children to the Maronites Boutros Saleh al-Haddad and Shams Yoakim el-Haddad.[1][2] He was baptized on 21 February 1875 in the Maronite church located in his town and received the sacrament of Confirmation on 9 February 1881.[3]