Mac Amhalghaidh variant forms of the name. A modern variant is Mac Amhalaí. Another is Mac Amhalaidh. Another variant is Mac Amhalghadha. Variant forms of "Mac Amhalghaidh" and "Mac Amhalghadha" include Mag Amhalghaidh and Mag Amhalghadha. "Mac Amhalghaidh" translates into English as "son of "Amhalghaidh"", or "son of "Amhalghadh"". The surname originated as a patronym, however it no longer refers to the actual name of the bearer's father. The personal name "Amhalghaidh", also spelt "Amhalghadh", is an old Gaelic name, and is of uncertain origin and meaning. "Mac Amhalghaidh" is a masculine surname. The form of this surname for unmarried females is
McLaughlin (surname) and M(a)cLoughlin are rarely English forms of the surname "ó/ní Lachtna", a phonetic corruption of the much more common "Loughney" or "M(a)cLoughney". Unlike Irish surnames that have only one Gaelic source for their English form, it is not possible to tell by the spelling "McLaughlin" and other English spellings whether the person bearing the name is descended from the "Mac/Nic Lochlainn" family, the "Ó/Ní M(h)ǽilsheáchlainn" family, or the "Ó/Ní Lachtna" family. [[Category:Anglicised Scottish Gaelic-language surnames]] [[Category:Anglicised Irish-language surnames]] [[Category:Surnames of Ulster-Scottish origin]] [[Category:Patronymic surnames]] McLaughlin (surname) M(a)cLaughlin is the most common English form of "Mac Lochlainn", a masculine surname of