Happy Jack is an unincorporated community in Plaquemines Parish, Louisiana, United States. [1]
A post office called Happy Jack was established in 1874, and remained in operation until 1958. [2] The community has the nickname of an early settler who was noted for his cheerful nature. [3] Variant names were "Point Michael" and "Ronquillo Settlement". [1]
29°31′19″N 89°44′01″W / 29.52194°N 89.73361°W