Tell that to this man:
By heart we believe and by mouth confess the one Church, not of heretics but the Holy Roman, Catholic, and Apostolic Church outside which we believe that no one is saved.” Pope Innocent III, Eius exemplo, 18 December 1208
QUO PRIMUM TEMPORE, 4 July 1570... establishing the Traditional Roman Rite of Mass in order that all everywhere may adopt and observe what has been delivered to them by the Holy Roman Church , Mother and Mistress of the other churches, it shall be unlawful henceforth and forever throughout the Christian world to sing or to read Masses according to any formula other than that of this Missal published by Us;...
Gregory VII asserted, “That the Roman church has never erred; nor will it err to all eternity, the Scripture bearing witness.” http://www.fordham.edu/halsall/source/g7-dictpap.html
Pope Paul IV, Cum Ex Apostolatus Officio of 1559: : (xii) finally, all Kingdoms, Duchies, Dominions, Fiefs and goods of this kind shall be confiscated, made public and shall remain so, and shall be made the rightful property of those who shall first occupy them if these shall be sincere in faith, in the unity of the Holy Roman Church and under obedience to Us and to Our successors the Roman Pontiffs canonically entering office.
On using “Rome”: The Dei Filius (http://www.disf.org/en/documentation/11-vaticancouncili.asp) sanctions the title, “Roman Church,” "the holy Catholic Apostolic Roman Church" which was adopted unanimously on 24 April 1870 by the First Vatican Council on the Catholic faith.
Ouch.
Another poorly catechized Catholic exposed, I see.
Thank you for the information but I have already conceded that Roman Catholic has indeed seeped into use by those within. The fact remains, however, that officially it is the Catholic Church and the use here of RCC is generally by those who dispute the origin and history of the Church.