The most generally quoted suggestion given for the origin of the name is that it was acquired from the fact that the first proclamation which authorized a flag, in which the national crosses of England and Scotland were for the first time combined, was issued by James VI. of Scotland, after he had become James I. of England, and that as King James frequently signed his name in the French manner as "Jacques," this was abbreviated into "Jac," and thus his new flag came to be called a "Jack."
The derivation suggested is ingenious and interesting, but cannot be accepted as correct, for the simple reason that there were "Jacks" long before the time and reign of James I., and that their prior origin may be clearly traced.
In the earliest days of chivalry, long before the time of the Norman conquest of England, both the knights on horseback and the men on foot of the armies in the field wore a surcoat or "Jacque" (whence our word "Jacket"), extending over the body from the neck to the thighs, bearing upon it the blazon or sign either of their lord or of their nationality. Numberless examples of these are to be seen in early illuminated manuscripts, or on monuments erected in many cathedrals and sanctuaries.
In the time of the Crusaders, during the eleventh and twelfth centuries, when the Christian nations of Europe were combined together to rescue Jerusalem and the Holy Land from the rule of the Mohammedan, the warrior pilgrims, recruited from the different countries, wore crosses of different shapes and colours upon their surcoats, to indicate the nationalities to which they belonged, and to evidence the holy cause in which they were engaged. It was from wearing these crosses that they gained their name of "Crusaders," or cross-bearers.
The cross worn by each of the nationalities was of a different colour—that of France being red; Flanders, green; Germany, black, and Italy, yellow.
In the earlier crusades the cross worn by the English was white, but in later expeditions the red cross of St. George was adopted and worn upon the Jacque as the sign of the English, in the same way as shown in the accompanying knightly figure (6).
The continuing use of this St. George cross, and the reason for wearing it as an identification of English forces is well shown in the following extracts from the "Ordnaunces," issued to the army with which Richard II. of England invaded Scotland in 1386:
"... Also that everi man of what estate, condicion or nation thei be of, so that he be of oure partie, bere a signe of the armes of Saint George, large, bothe before and behynde upon parell, that yf he be slayne or wounded to deth, he that has so doon to hym shall not be putte to deth for defaulte of the crosse that he lacketh, and that non enemy do here the same token or crosse of Saint George, notwithstanding yf he be prisoner upon payne of deth."[12]
6. A Red Cross Knight.