It ain't the Catholic church neither.
That isn't named by name in Scripture.
Jesus said He would build HIS church and NOWHERE in the Bible does it say that *Catholic church*.
The Catholic church claimed to be it retroactively with absolutely no basis for the claim but their say so.
And again, for the reading challenged. NO one denomination is the true church. The body of Christ is an organism comprised of born again believers, not a organization or denomination that one sets up and makes claims about itself that can't be supported by Scripture.
Yes, but 110 CE/AD is fairly close. The combination "the Catholic Church" (he katholike ekklesia) is found for the first time in the letter of St. Ignatius to the Smyrnaeans, written about the year 110.
as opposed to the phrase The body of Christ is an organism, which you keep repeating over and over again as if you learned it somewhere ..., perhaps here as it is a hallmark of this denomination/sect that dates only to the 19th Century ... The Plymouth Brethren is a conservative, low church, nonconformist, Evangelical Christian movement, whose history can be traced to Dublin, Ireland, in the late 1820s, originating from Anglicanism.[1][2] Among other beliefs, the group emphasizes sola scriptura, the belief that the Bible is the supreme authority for church doctrine and practice over tradition. The churches are all independent, self-governing, local congregations, and there are no central headquarters or formal affiliation with any denomination. Although the group is notable for not taking any official "church name" to itself, the title "The Brethren," is one that many of their number are comfortable with in that the Bible designates all believers as "brethren". "Brethren assemblies" are commonly perceived as being divided into at least two branches, the "Open Brethren" and the "Exclusive Brethren".
The mystery of the seven stars which thou sawest in my right hand, and the seven golden candlesticks. The seven stars are the angels of the seven churches: and the seven candlesticks which thou sawest are the seven churches.
These called out assemblies of Jewish and Gentile Christians were first and foremost gatherings of people under the supervision of apostolically designated bishops/elders chosen, appointed, and discipled by the Apostoles and those they sent. Lather, rinse, and repeat.
The Catholic church claimed to be it retroactively with absolutely no basis for the claim but their
The Catholic and Orthodox churches are the only churches with the historicity to reach back to the Apostles. These churches have a membership that comprises perhaps almost a fifth of all human beings. You, OTOH, have to take the position that the church is invisible and/or did not prevail to set them aside, ... oh, that is why you have that doctrine.