The collection is name searchable. Looking for a family that I am familiar with, I did a search for Samuel Goldberg who was born in 1882 in England. I know he married a woman by the names of Yetta, who was born in Russia in about 1889. As of the 1940 United States Census, this family is living in Rochester, New York. That record is below:
Doing the search I was able to locate the following record:
Going one step further, I was able to click on the link that allowed me to view the original record. That record shows that the happy couple were also married in Rochester.
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