The Lucus family are of English origin, and were early settlers of Maryland. Martin Lucus had a twin brother, Luther, and they were born in Maryland, the sons of James Lucus. In early manhood, Martin and his twin brother, Luther, went to Ohio, where he married, Ellen Kellingberger, and Martin married Margaret Tuner. Martin and his wife Margaret were the parents of eleven children. Adam, of Cordova County, Minnesota; James, of Tippecanoe County, Indiana; William, of Shasta County, California; David, of Stockwell, Indiana; Martin, of Lafayette, Indiana; Rebecca wife of David S. Brelsford; Margaret, wife of John E. Rogers, Rachel, wife of George Cisna; and Luther, who was married four times, his last wife was Emma Wright. They had a son Garfield A. born November 6, 1880, by C-section, this operation was performed by Dr. Baker of Stockwell, and was the first C-section in Indiana; Martin's widow, Margaret, survived him about twelve year, dying at about the same age as Martin.

In 1832, Martin came to this county with his family, accompanied by Parson Wright, and together they entered 160 acres of prairie land on section 29, Sheffield Township, and also he acquired eighty acres of timber land. He cleared and made improvements to this land, converting it into a fine farm where he lived until his death. Martin's occupation was that of a millwright. He was a first-class millwright, and gave the trade much attention. James Lucus, the father of Martin and Luther, also had two others sons that came to Indiana, William and John. A son James lived in Ohio, and his daughter Mary, married John Armstrong, and after their marriage, moved to Tippecanoe County, Indiana.
[Biographical History of Tippecanoe, White, Jasper,Newton, Benton, Warren and Pulaski Counties, Indiana. 1899, page 182]