Yes, there are Missouri Allens.Going backward they are:Theron Allen (b. 1914) son of Kenneth Allen, son of Albert Allen (b. 1859) son of Ebenezer Allen, son of Ebenezer Allen.There is a book about Maires Co. Mo. which gives more information on the Allens. Albert was married to Clara Minder.Albert and Clara are burried on a family farm (Allen) in Vienna, Mo.Theron Allen was my father.We are related to Ethan Allen of the Green Mountain Boys.