The Tenement Museum in New York preserves the history of more than 7,000 immigrants from more than 20 nations that lived, often in very cramped conditions, in the building between 1863 and 1935. Photograph: John Moore/Getty Images

As visitors to the Tenement Museum in New York step into the re-created 1869 apartment of Bridget and Joseph Moore they might notice the tin teapot on(...)

In 19th-century New York, even tenements were ranked. Some were considered too good for the Irish, who were relegated to densely packed hovels (...)