Thanks, especially to Robert Murowchick for the articles. Seeing them led me to do a search of my own at Newspapers.com, and it is clear from the results that the club was first located at the address on Indiana Avenue, though it subsequently relocated several times. A short notice in the *Inter Ocean* on 13 Oct 1907 announces the formal opening of the Deborah Boys' Club at 1813 Indiana Avenue. An article in 1909 mentions the club at the same address. An article in May of 1910 reports that the club has just moved from 1813 Indiana Avenue to 4044 Prairie Avenue, and an article in August of 1912 reports that it has just moved from that address to 5930 Prairie Avenue.

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Miles Rind
Seattle, Washington, USA

Attached are two 1907 articles about Deborah Boys Club, one describing its mission and the other focusing on the twin evils of smoking and lying (were those really the main concerns of the day?)
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Robert Murowchick    <robertmurowchick AT gmail.com>
Needham, MA

Researching these family links:
MUROWCHICK/MURAWCHICK/MURAWCZYK etc (David-Gorodok, Belarus, New Jersey, Chicago)
KUNECK/KONIK/KYONIK (Kozhan-Gorodok, Belarus)
EPSTEIN/EPSTINE (Gavish/Gavieze, Liepaja, Latvia)
SEGAL/SIEGEL (Tilsit, Koenigsburg, Germany; Baltimore; Chicago)

I had two cousins who were living at the Deborah Boys Club in 1910, after their father had died and their mother had been sent to a mental institution.  It was located at 1813 East 16th Street.  It was founded in 1907 to provide a “real home life” to immigrant boys, as well as those who were homeless or were paroled from institutions.  Hugo P.J. Schleiger was the head and superintendent in 1910.  
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Perry M. Shorris

Sources that I have found on the Web say that the Deborah Boys Club of Chicago, now located at 3401 W. Ainslie St. in Albany Park, was founded in 1930. But I think that this is only the date at which that particular building was finished, not the date of the founding of the institution itself. My great-grandfather says in his autobiography that, after the death of his wife in 1906, his son lived at the Deborah Boys Club; and he was writing in 1929, so he certainly cannot have been referring to an institution that did not yet exist! I have found a Web page that says that the Deborah Boys Club stood at 4720 S. Grand Boulevard, but it does not say when it was founded or when it was at this location. If anyone can supply this information, I shall be grateful.
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Miles Rind
Seattle, Washington, USA