- Clarence Augustus Washburn
 Death - 4 April 1943 (82 year anniversary) - Ottawa, Franklin, Kansas, USA - Vernon Charles Marcy
 Birth - 4 April 1919 (106 year anniversary) - near Wakeeney, Trego, Kansas, USA - John Washburn
 Birth - 4 April 1800 (225 year anniversary) - , Mason, Kentucky, USA - Hepzibah Washburn
 Death - 4 April 1750 (275 year anniversary) - Bridgewater, Plymouth, Massachusetts, USA
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