When Ethan Brock Currier was born on 8 September 1854, in Topsham, Orange, Vermont, United States, his father, James Carter Currier, was 24 and his mother, Sarah Cordelia Harriman, was 22. He married Martha Jane Emmick on 14 August 1884, in Sergeant Bluff, Woodbury, Iowa, United States. They were the parents of at least 1 son and 4 daughters. He lived in Woodbury, Iowa, United States in 1895 and Lakeport Township, Woodbury, Iowa, United States for about 20 years. He died on 6 December 1922, in Salix, Woodbury, Iowa, United States, at the age of 68, and was buried in Graceland Park Cemetery, Sioux City, Woodbury, Iowa, United States.