The following data is extracted from History of Daviess County, Missouri - Benton Township, Daviess County, Missouri, Biographies.
Is a native of County Kings, Ireland, born June 24, 1819. His parents, John and Catherine Gagan, emigrated to America and landed in Baltimore county, Maryland, in the year 1835. John lived there till fifteen years of age then went to Pennsylvania and worked as a stone-cutter and contractor till 1846.
On November 1st of that year, he was united in marriage to Miss Sarah D. Williams, a native of Greenup county, Kentucky, born February 17, 1826. She was a daughter of Lewis and Roxie Williams. Her father. was born in Kentucky, and her mother in Virginia; the former died in 1834 and the latter in 1868. After their marriage they lived in Kentucky for three. years then moved to Daviess county and located upon the farm they now occupy. Six children have been born to them; namely, Mary, Ellen, Cornelius F., John, Adelaide, Benjamin F. and Rosa A. Mr. Gagan, by his industry and thrift, has succeeded well and is now the owner of three hundred acres of fine land all improved and well stocked. His home farm of two hundred acres is a very valuable one; upon it are located the famous Crystal Springs. There are quite a number of these springs and they are said to possess many curative properties, and during the summer season they are visited by many invalids. He has enlarged his residence and made arrangements to accommodate the many who make his place a summer resort.
Mr. Gagan had but little opportunity of attending school in his younger days, but by diligent application to good books combined with a natural talent he has become a well informed man. He has a very fine orchard and vineyard and is acknowledged the champion wine-maker in the county.
Source: History of Daviess County, Missouri - Benton Township, Daviess County, Missouri, Biographies