Macaulay

Etymology
From Scotland, an anglicisation of the Gaelic Mac Amhalghaidh ("son of Amhalghaidh"). From Ireland, an anglicisation of the Gaelic Mac Amhlaoibh ("son of Amhlaoibh") or Mac Amhlaidh ("son of Amhlaidh"). These Gaelic names are derived from the personal name Áleifr and Óláfr.

Proper noun

 * 1)  of Gaelic origin.