What “Mainline” Does and Doesn’t Mean

Growing up in evangelical churches, I often heard about some other branch of Christianity called “mainline,” but I never really knew what that meant. I just knew that “mainline” meant “bad” for some reason. It was a little like the word “communist.” I didn’t really know anything about communism, but I heard the word used a lot and knew that communists must be really evil people bent on destroying everything good and beautiful in the world.

train, train tracks, rail line, mainline

But what does “mainline” actually mean? At the simplest level, “mainline” just means that you belong to one of the eight mainline denominations: American Baptist, Christian Church (Disciples of Christ), Episcopal Church, Evangelical Lutheran Church in America, Presbyterian Church (USA), Reformed Church in America, United Church of Christ, United Methodist Church. Sometimes people include other denominations, but these are the eight most common ones.

This isn’t terribly helpful, though. Now we’re left wondering what a makes a denomination “mainline.” So, to figure out more precisely what it means to be a mainline Protestant, we’ll have to figure out what “mainline” itself means. And that’s a trickier proposition because we have several mistaken ideas about the term.

1. Mainline does not mean “majority”

Several of these denominations are rather large. The United Methodist Church, the ELCA, and the PC(USA) are all among the ten largest denominations in America. But others are much smaller, and the RCA doesn’t even crack the top 25. Even as a group, it’s hard to see how these denominations could constitute the majority when they don’t include most of the baptist denominations or any of the pentecostal churches. So mainline churches clearly do not constitute a majority today. And, even in the early 20th century when the term “mainline” first began to be used, these eight denominations did not comprise the majority of America’s Protestants.

2. Mainline does not mean “mainstream”

These two terms often get confused. Generally speaking, though, “mainstream” refers to religion at its most popular level. It’s the normative religion in a given area. And mainstream religion in America is definitely not mainline Protestantism. Indeed, America is probably too diverse to have a mainstream religion. But if it did, it would certainly be evangelicalism (in the broad sense of the word). And, as we’ll see in a moment, mainline actually means almost the opposite of mainstream.

3. Mainline does not mean “liberal”

We actually need to be a little more careful with this one for two reasons. First, it would probably be more correct here to say that mainstream did not originally mean liberal, since that is in fact how many people use the term today. And second, the liberal/conservative tension was a part of where this term came from. It just wasn’t the dominant meaning behind the term. You’ll see what I mean in a moment.

So, if mainline does not refer to the “majority,” “mainstream,” or even the “liberal” aspects of American protestantism, where did the phrase come from?

“Mainline” refers to “establishment” Christianity

At least, that’s what it originally meant. The term “mainline Protestant” first began to be used in the early 20th century during the fundamentalist/modernist controversy. It appears that fundamentalists used it as a way of characterizing the debates. They presented themselves as the ones who were standing against a culture that was growing rapidly more corrupt. They were the “outsiders.” Their opponents, on the other hands, were the ones at the helm of the sinking ship. They  held influential positions in government, education, media, and other aspects of society. They were the establishment.

Many have suggested that the term itself comes from an important commuter train line in Pennsylvania (thus the picture at the top of this post). Since the train line ran through a number of influential and wealthy towns, the line came to symbolize those who were in power in America. From there it would be a short step to using this as away of describing establishment Protestants. But I haven’t been able to verify that this really is where the term came from.

From this, you can see why I said earlier that “mainline” is actually the opposite of “mainstream.” The “fundamentalists” in the early 20th century would have seen themselves as part of mainstream protestantism, and they were probably right numerically speaking. And they used the term “mainline” to present their opponents as the cultural “elite.”

So, there’s a sense in which “mainline” originally just meant “not a fundamentalist.” Which is, of course, also why mainline came to be viewed as virtually synonymous with “liberal.”

And once the label came into popular use, it stuck. So regardless of whether these denominations really are the establishment today–and they’re probably not–we still refer to them as mainline.

Comments

comments

11 Responses to “What “Mainline” Does and Doesn’t Mean”

  1. Marcus June 26, 2012 at 10:25 am #

    As an “evangelical” pastor in a “mainline” denomination, I’d say your post is pretty spot on!

    • Jesse Pals June 26, 2012 at 10:46 am #

      Interesting! I didn’t know even know it had an american evangelical origin. Great post!

  2. Andrew Wilson June 27, 2012 at 12:40 am #

    In section 3, you write “mainstream” when I think you mean “mainline” … But very interesting!

    • Matt Wolf June 27, 2012 at 5:44 am #

      Interesting. I’ve never thought too much about what the term meant. I too am an evangelical pastor in a mainline church. I stepped into this role last year and have been suprised by how many evangelicals have written off all of the mainline denominations when the situation is much more complex than the stereotypes pretend it is.

  3. Pat July 2, 2012 at 6:09 am #

    I grew up American Baptist and have returned there after several years in evangelicalism. I never knew until now that ABs were considered mainline, but it makes sense. I always equated mainline with Episcopalian, Presbyterians, Lutherans, UMC.

  4. Steve Martin July 2, 2012 at 6:50 am #

    I think the Baptists are the only ones that aren’t liberal.

    • Pat July 2, 2012 at 8:04 am #

      Actually Steve, American Baptists are liberal, at least based on the two churches that I have been a part of it.

  5. Canaan July 5, 2012 at 5:34 pm #

    Very good! I was wondering why only that branch of Lutherans was included. We are Missouri Synod Lutherans and I think all Lutherans are part of the mainline group. Many people use the term mainline with a look on their face as if they have just eaten something sour. Heaven will be full of “mainliners!”

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