Not my family line, just sharing.
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 737, Van Buren Township, Pulaski County, Indiana.
"M. H. DUNN was born in Burlington County, New Jersey, October 4, 1835, and is one of the nine children born to RICHARD and MARY A. (SIMPKINS) DUNN, and named as follows: M. H., MARTHA A., ELIZABETH, VICTORIA, WILLIAM L., C. W., RICHARD, JOHN and HANNAH A. The father was born in Devonshire, England, about 1789, and the mother in New Jersey in 1799, and they were married at Mount Holly, New Jersey. In 1849, they moved to Logansport (Cass County), Indiana, remained there about four years, and then came to Winamac, (Pulaski County), Indiana, and subsequently to Star City, (Pulaski County), Indiana, where they ended their days. M. H. DUNN was married, February 28, 1861, to MARGARET HANAWALT, who was born in Mifflin County, Pennsylvania, May 28, 1836. In July, 1875, he came to Star City, and took charge of T.C. RAYMONDS's grain house, and in 1878 purchased a house for himself, and is still dealing in grain. He has also been freight agent since 1876. He is the father of seven children - CHARLES W., C. A., SADIE A., MARY E. (deceased), M. A., CATHARINE and BESSIE. MR. DUNN is a member of Star City Lodge, No. 442, I. O. O. F., and he and wife are members of the Baptist Church."