I have read quite a bit on the Stuarts, but never came across this interesting soubriquet.
From the en.wikipedia.org
I believe premium strength lager also has the same charming soubriquet.
From the guardian.co.uk
Fifty-one protesters were killed, earning the Militia the soubriquet of The Hexham Butchers.
From the en.wikipedia.org
With its soubriquet of the Garden of Ireland, you'd expect County Wicklow to be green and serene.
From the guardian.co.uk
The above was by me, don't know where my soubriquet has gone.
From the expressandstar.com
Jim Callaghan, who made no secret of his dislike of question time, often belied his soubriquet of Sunny Jim.
From the independent.co.uk
Most of the spectators were there to see someone who ismore likely to win Wimbledon than earn that soubriquet.
From the independent.co.uk
By all accounts, the soubriquet was well deserved.
From the washingtonpost.com
Now comes another soubriquet for the people who, it claims, log on in increasing numbers to its website after arriving at work, having previously read its print version on their journey into work.
From the guardian.co.uk
More examples
Nickname: a familiar name for a person (often a shortened version of a person's given name); "Joe's mother would not use his nickname and always called him Joseph"; "Henry's nickname was Slim"
A sobriquet (pronounced) is a nickname, sometimes assumed, but often given by another. It is usually a familiar name, distinct from a pseudonym assumed as a disguise, but a nickname which is familiar enough such that it can be used in place of a real name without the need of explanation. ...