In my book on the Bill of Rights, I argue that the first set of amendments was not widely known by that term until the 1930s. A friend of mine recently sent me an excerpt of Black’s Law Dictionary (circa 1910) containing its entry for the term “Bill of Rights.”
“A formal and emphatic legislative assertion and declaration of popular rights and liberties usually promulgated upon a change in government; particularly the [citation to the English Bill of Rights of 1689]. Also the summary of the rights and liberties of the people, or of the principles of constitutional law deemed essential and fundamental, contained in many of the American state constitutions.”
Nothing, of course, about any American national bill of rights.