This contains the Dingman and Leffler family lines from New York, Ohio, Indiana, Iowa and Pennsylvania. Isaac Dingman was born about 1800 in New York and died in 1847 in Indiana. His son, William Harrison Dingman married Elizabeth Leffler, her parents having come from Pennsylvania. Most of this research has been done by Nadine Dingman of Webster City, Iowa, who has spent many, many years tracing all of these lines. Without her dedication and love for this work much of this would not be here.
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The Dingman page was updated 8 Nov 2008.
William Harrison Dingman and his wife, Elizabeth Leffler