Update - Halford Table Sauce

I have continued my research into the origins of this once popular product and my online search has led me from the Boston Historical Society's online archives to Google's substantial listing of digitized publications in the public domain. On Google, I found Donahoe's Magazine. The magazine's full title described it's content as "CONTAINING TALES, BIOGRAPHY, EPISODES IN IRISH AND AMERICAN HISTORY, POETRY, MISCELLANY, ETC. A BOOK FOR THE PEOPLE." Volume XVIII published in January of 1888 contained the following short article:

Halford Table Sauce.

This celebrated sauce, which has been advertised in our MAGAZINE for some time, is manufactured by Mr. William Halford, who was born in Leicester, the borough town of Leicestershire, England. In 1857 he came to Nova Scotia as Comptroller of the household of His Excellency the Earl of Mulgrave, now Marquis of Normandy, who was commissioned by the Queen Lieutenant Governor of that Province. The Earl had a recipe for a table-relish. The recipe was that of the far-famed “ Raby Hunt Sauce," which the duke of Cleveland (a distant relative of our president), at Raby Castle, the duke’s county seat, on occasion of the “meets " or assemblages of huntsmen and hounds (frequent during the season), caused to be used as a delicacy. To the earl of Mulgrave, now, by his father's death, Marquis of Normandy, the duke of Cleveland gave the recipe, and he, previous to leaving Nova Scotia for England to take his father‘s seat in the House of Lords, gave it to Mr. Halford. These explanations relative to the origin of the Halford Leicestershire Table Sauce are given to distinguish it from the many worthless articles vended, purporting to be relishes or sauces once owned or patronized by English noblemen. Mr. H. has always maintained that what is sauce for the goose is good for the gander.

So, taken on faith, the origins of the sauce are the kitchens of Raby Castle. Raby Castle is still a vibrant place which is now open to the public and even has an online site. I have placed an inquiry on the site asking if the original Raby Hunt sauce recipe still survives in their archives and, if so, would it be possible to obtain a copy of the recipe. I have not yet received a response but I am excited at the prospect of recreating this long lost condiment.