That's the original First Presbyterian Church. It stood on the east side of Main Street right next to (south of ) the Johnson Library. Torn down around 1930 and replaced with an apartment building and some storefronts, still standing. There was once a substantial population of Scottish people within a few blocks radius, and this church primarily served that community. The Presbyterian church is the American version of the Church of Scotland, and has an affiliation.
I think in the 1920's the general vicinity of the Johnson Public Library and west as far as Park Street was almost entirely populated by people of English, Scottish, Irish, Dutch, and German decent, or some mixture of those groups. The population was mostly middle-class, but there was a handful of families who could afford a live-in cook/caretaker/nanny, and some of those were African-American. There were basically no Latino's or Asians in Hackensack at that time, and probably very very few Italians or Jewish that far north. If any, they were renting above storefronts on Main Street. Throw in a few of the other groups from Northern Europe, and you've got the entire population of that neighborhood in the 1920's.
The Presbyterian congregation moved to the corner of Union and Passaic and built the large church standing there with the tall steeple. People think it's much older than it is. There are still a lot of Presbyterians of Scottish decent in this church, but it has diversified with people of all backgrounds and races. A good sign of the times.
