Mc- names beyond McKenzie are catching on, with Mccoy entering the US Top 1000 for the first time in 2023. Rugged but cool McRae might be another possibility.
 
A name of Scottish origin, it comes from the Gaelic Mag Raith, meaning "son of Rath", or, more figuratively, "son of prosperity" if you consider the meaning of given name Rath.
 
Rally driver Colin McRae and singer Tate McRae are notable surname-bearers.

Last Names as First Names

Scottish Last Names

Mcrae

Raelynn meets McKenna and McKenzie in this yet-to-be-discovered surname choice. Derived from Mag Raith meaning "son of Rath" or more poetically, "son of prosperity", this tough but cool Mc- name has potential.
 
Rally driver Colin McRae and singer Tate McRae are notable associations.

Mcrae

Mcrae Origin and Meaning