What is "maceachainn"

MacEachainn is a masculine surname in Scottish Gaelic. The name translates into English as "son of Eachann". The feminine form of the name is NicEachainn, which translates to "daughter of the son of Eachann". These surnames originated as a patronyms. However, they no longer refer to the actual name of the bearer's father or grandfather. There are numerous Anglicised forms of MacEachainn.