General Antonio López de Santa Anna gave modern-day Elroy to a loyal officer, who swapped it for a horse and saddle to return to Mexico.

[1] The Elroy community, also known as Driskill, Dutch Waterhole, or Hume, was established in 1892 and was named by a local store owner after his son, Leroy.

[3] Elroy serves as the principal site of a state-of-the-art FIA specification Circuit of the Americas motorsport facility that currently hosts the World Endurance Championship, MotoGP, and the Formula 1 United States Grand Prix.

[4] Elroy is home to the historic Moline Swedish Lutheran Cemetery and other sites of Swedish-Texan heritage.

Elroy is located on Farm to Market Road 812, 12 miles (19 km) south of Austin in southeastern Travis County.