[1] Born in Tompkinsville, Kentucky, Eagle was graduated from the local high school in 1883 and obtained a teacher's certificate in 1884.

He was admitted to the bar in 1893 and commenced practice in Wichita Falls, Texas.

Eagle was elected on January 28, 1933, to both the Seventy-second and Seventy-third Congresses to fill the vacancies caused by the death of Daniel E. Garrett, who had been reelected in 1932.

He was a resident of Houston, Texas, until his death January 10, 1963.

He is interred in Forest Park (Lawndale) Cemetery.