John Spencer Muirhead was granted a coat of arms in 1957. His brother, James Muirhead of Boalth matriculated arms that same year. His son matriculated arms during the year 1970.

  The arms of Sir John Spencer Muirhead were blazoned:

Argent, on a bend cottised Azure,
between two lymphads of the second under sail Or,
four acorns slipped of the third,
a bordure chequy of the second and first

  The motto of Sir John Spencer Muirhead read:

Auxilio Deo

Please note: The images used for the graphics on this page
were derived from the book, A Display Of Heraldry,
by John Guillim, printed in London in the year 1679.