“Diamond Glenn” McCarthy

Texas independent oil producer who “rocketed into the national imagination in the late 1940s.”

As giant oilfield discoveries created Texas millionaires after World War II, people started calling “Diamond Glenn” McCarthy the reigning King of the Wildcatters. Some historians have said a $21 million hotel McCarthy opened in 1949 put Houston on the map. 

Glenn H. McCarthy’s petroleum career began with a 1935 well 50 miles east of Houston when he and partner R.A. Mason completed their No. 1 White well with production of almost 600 barrels of oil a day. The well extended by three miles to the north the already productive Anahuac field, which McCarthy had discovered earlier.

TIME magazine February 13, 1950, cover featuring oilman Glenn McCarthy.

After discovering 11 Texas oil fields, Glenn McCarthy appeared on the February 13, 1950, cover of TIME.

By 1945, McCarthy had gone on to discover 11 new oilfields and extend others. In Brazoria County a year later he drilled the highest-pressure gas well drilled to that time. Described as a “bombastic, plucky Irishman best known for building the famous Shamrock Hotel,” the Texas independent oilman would be featured on the February 13, 1950, cover of TIME. (more…)

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