The following Biographical sketch was copied from the book "HISTORY AND BIOGRAPHY COUNTIES OF WHITE AND PULASKI, INDIANA. Historical and Biographical. Illustrated. Chicago; F.A. Battey & Co., Publishers. 1883. page 757, Tippecanoe Township, Pulaski County, Indiana.
"MARTIN J. KELLER was born in this county March 20, 1850, and is one of the eleven children of MARTIN and MAGDALENA (BECKER) KELLER, the names of the living, beginning with the eldest, being as follows: PETER, JOHN, MARY, MARTIN, LEWIS and JOSEPH. MARTIN J. KELLER, the subject of this sketch, lived with his father on the home farm until 1878, when he came to his present place, a rich farm of 160 acres, three and one-half miles northwest of Monterey. He was married January 20, 1878, to SOPHIA ZELLERS, in Bryan, Ohio. This lady has borne him two children, a boy and a girl, named MARY and WILLIAM. MR. KELLER chiefly raises corn and wheat; he breeds as fine horses as there are in the township, and also rears cattle and sheep. He is a member of the Catholic Church, is an industrious farmer, and is a good citizen."