John S. McGroarty

John Steven McGroarty (1862–1944) was an American journalist, poet and politician, born in Pennsylvania, who made his home in southern California. He wrote The Mission Play (1912) and served in the United States Congress in the 1930s.

His verse in the Home Book of Verse (1912) includes the soldiers' memorial lyric Blow, Bugles, Blow and the sailor's song The Port o' Heart's Desire.