The name is an Anglo-Norman diminutive form of Magnus, which is either from the Latin (great) or the Old Norse, Magni (strong).
In England, Mack has been in use since the 11th-century and was introduced by Scandinavian settlers.
The name may have also been used in reference to the Gaelic mac (son).
In the United States, Mack peaked at #96 in 1900. As of 2016, it was the 679th most popular male name.
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