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Surname الصدر (Sader
, الصدر
, Sadr
) , all over the world, is a common last name. The cognomen الصدر is habitual in Western Asia, particularly Lebanon, where it is quite a common surname, Iraq, and Jordan, where it is quite a rare surname. In absolute terms, it is the most numerous in Iraq, Lebanon, and Iran. Much less frequently, الصدر is the forename as well as the last name.