Uswag Ilonggo Party-List was established by Iloilo City Mayor Jerry Treñas in 2020.

[1][2] Its constituents in the House of Representatives represent the Ilonggo people from the provinces of Iloilo, Guimaras, Capiz, Aklan, Antique, Negros Occidental, as well as some parts of Mindanao.

Uswag Ilonggo participated in the 2022 elections, winning a single seat in the 19th Congress.

[4] The seat was filled by James ‘Jojo’ Ang Jr., a native of Pavia, Iloilo, who served as the first nominee.

Raisa Treñas-Chu, the daughter of Jerry Treñas, was named as the second nominee.