An obituary was published in Milwaukee Sentinnel, Milwaukee, Wisconsin, on 17 August 1852
DIED. August 15th, 1852, Mr. OTIS SPRAGUE, aged 61 years. The friends and acquaintances, and Sabbath School children, are requested to attend his funeral at the Free Congregational Church, at corner of Spring and Second street, at 2 o'clock, Tuesay, Aug. 17th, without further notice.
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