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Geoffrey O'Hara (February 2, 1882 – January 31, 1967) was a Canadian American composer, singer and music professor. en.wikipedia.org/wiki/Geoffrey_O%27Hara

Thanks Richard Norton. We will add his full name to the description.

They are aboard the U.S.S. Recruit in Union Square.

I've found a possibility:
In "Socialists in the Streets: The New York City Socialist Party in Working Class Neighborhoods, 1908-1918."
By Charles Leinenweber
Science & Society, Vol. 41, No. 2 (Summer, 1977), pp. 152-171 (20 pages)

From page 167
"Many of the best Socialist street corner speakers also developed a strong sense of irony and humor in their speeches. Working class humor also found popular expression in plays and on the vaudeville stage, appealing to a variety of ethnic groups, especially the Jewish, German and Irish. As a movement of the working class, socialism shared the same culture of humor as vaudeville. But the connection was even more direct: many actors, writers and vaudeville performers were themselves Socialists. In 1908 vaudeville performers organized the White Rats, a militant, left-wing union which staged many strike benefits for garment workers. Future impresario Sol Hurok organized extravagant Socialist parades and pageantry in Brooklyn; J.C. Frost, who wrote such working class Irish plays as "The Walking Delegate," was a regular street corner speaker; August Claessens, teacher of street corner oratory and a popular speaker, was a former actor."

Thanks swanq, we'll update the catalog record.

According to the 1916 Brooklyn Daily Eagle Almanac, he was a member of the Executive Committee of the Socialist Party for Manhattan, New York City
books.google.com/books?
id=g6QJAAAAIAAJ&pg=PA454
I have not found him in the 1900 or 1910 Manhattan census yet.

Geoffrey O'Hara (February 2, 1882 – January 31, 1967) was a Canadian American composer, singer and music professor. en.wikipedia.org/wiki/Geoffrey_O%27Hara

Thanks Richard Norton. We will update this and the other records about Geoffrey O'Hara.