World War I Veterans World War I ranks second only to World War II as the most bloody and most costly war in modern history. It began with the assassination of Archduke Ferdinand of Austria-Hungary on Sunday, 28 June 1914, and ended with an armistice on 11 Novembre 1918. The United States tried to remain neutral in the early years of World War I, but declared war on Germany on 6 April 1917. American troops began landing in France on 26 June 1917 and were quickly brought up to the front. By the time of the armistice the following year, the American losses were 116,516 dead and 204,002 wounded. Following are the descendants of Robert Kay known to have served. The information has been submitted by members of the Robert Kay Family Association. The Descendant Number column indicates an individual's code number in "The Descendants of Robert Kay of South Carolina, 2nd Edition".

Last Name First and Middle Name Descendant Number Comments Abercrombie Louis Edward 598   Callaham Crawford Ligon 553 Gassed at Argonne Forest Dobbins James Carey 740 Died in Germany Kay Byram Stewart 738 Ambulance Corps Kay Evans 852 Died in war Kay George Henry 769   Kay George Washington 817   Kay Handy Weldon 834 Wounded in France Kay Ira Granville 2831   Kay James Wallace 771   Kay John Cullen 981   Kay John Harvey 2562   Kay John Henry 3057   Kay Luther 948   Kay Mark 951   Kay Rapp Helam 1086   Kay Robert Cecil 909   Kay Robert Lewis 587 Gassed Kay Roy Campbell 1273   Kay Sidney Christopher 921   Kay Thomas Claude 503   Kay Thomas Crayton 1487   Kay Thomas Guy 3056   Kay Virgil Homer 3532   Kay Walter Clement 1105   Kay William Vernon 1204   Kay Willie Murff 585   Latimer Stephen 11   Mitchell Charles Whitner 506   Mitchell Willie Reed 506   Moore Jimmy 818 Gassed Sitchler Jack Harry 861   Thames Reginald Gordon 352 Died in France