Harry Kaler was born in Scarborough on June 17, 1877 and died December 23, 1918 during the flu epidemic. He married Estelle H. Libby on November 15, 1910 and was the older brother of Addie Kaler-Vaill. His father, John Kaler, built the Southgate Hotel around 1878, now known as the Black Point Inn. The hotel was named for Judge Robert Southgate, a physician, lawyer, judge, gentleman farmer and business man who owned property in the Prouts Neck area. The Kaler family sold the Southgate Hotel during the Great Depression.