Here are some Duckworth burials from the WPA Iowa Graves Registration Survey in Van Buren County, Iowa. There is a Duckworth Creek there. Roger DUCKWORTH ? 22 Aug 1866 14 Oct 1906 DUCKWORTH Addie 1870 1912 DUCKWORTH De. Allen 16 Jun 1841 19 Nov 1891 (C. W. V.) Co. G. 2nd Ia Inft. W. C. Harper Post. #79 The following are at Oak Lawn Cemetery in Keosauqua, Iowa: DUCKWORTH Frederick (no dates) Oak Lawn Keosauqua Van Buren Lot 126 DUCKWORTH Mary E. (no dates) Oak Lawn Keosauqua Van Buren Lot 126 DUCKWORTH Rebecca (no dates) Oak Lawn Keosauqua Van Buren Lot 126 DUCKWORTH William A. 31 May 1837 10 Feb 1919 Oak Lawn Keosauqua Van Buren (C. W. V.) Co. G. 2nd Ia. Inft. 1St. Liet DUCKWORTH Wm. A. 1890 1917 Oak Lawn Keosauqua Van Buren Lot 126 My Note: A William Duckworth was in the 1900 Van Buren Co., Iowa census and was born in Indiana. He may be connected to the Duckworths found in Posey Co., Ind.