he died at war in France
Wilfred Owen died on the 4th November 1918. He was shot by a German machine-gunner during a failed British attempt to bridge the Sambre Canal, near the French village of Ors. The First World War was from the 28th July 1914 – 11th November 1918.
He died 4th November 1918. He was killed by a German-counter attack
If you mean the Battle of the Somme, in France in the First World War, it would be good if you resubmit the question, since most people would not recognise the 'song'. Sorry, I can't tell you about casualty dates of the Somme.
Wilfred McDonald died in 1991.
Wilfred Schuele died in 1991.
Wilfred Dunderdale died in 1990.
Wilfred Bartrop died in 1918.
Wilfred Adey died in 1975.
Wilfred Ball died in 1965.
Wilfred Abse died in 2005.
Wilfred Bion died in 1979.