"Hush ... Not a Word to Mary" was the second UK hit for New Zealand singer John Rowles.
It was the follow-up release to his major hit "If I Only Had Time".
The song was written by Mitch Murray and Peter Callander.
The B-side "The Night We Called It a Day" was written by Rowles and Steve Kipner.
[7] This single also marked the last of Rowles' chart success in the UK.