Thrashers prepare "not to leave a Protestant soul in Crossgar" on St Patrick's Day. A policeman encourages them and the peelers don't stop them. "Many a Thrasher that day was detained" by Orange shot. "We fought them and beat them an hundred to one"
OrangeLark: "The Irish Constabulary, like the R.I.C. which superseded it, was largely composed of Roman Catholics."
Sir Robert Peel established the Royal Irish Constabulary in 1812 and its success led, in 1829, to the Metropolitan Police Act for London. Originally the term "Peeler" applied to the London constabulary. (source: _Sir Robert "Bobby" Peel (1788-1850)_ at Historic UK site.)
The Thrashers were one of the Catholic agrarian groups like the Defenders, Whiteboys and Ribbonmen (source: "Orange Institution" at the Wikipedia site). - BS