It was consecrated in 1794 by the suffragan bishop of Samogitia, Fr Tadeusz Józef Bukaty (Lithuanian: Tadas Juozapas Bukota).

[2] In 1802 renowned Vilnius architect Jan Boretti obliged to construct two towers and a narthex.

However, due to unknown reasons he built only the narthex and failed to complete the work of towers.

Three Bishops of Telšiai, Justinas Staugaitis, Vincentas Borisevičius and Pranciškus Ramanauskas, are buried in the cathedral's tomb.

[5] Bishops Petras Maželis, Juozapas Pletkus and Antanas Vaičius are buried in the churchyard.

The keyboard and mechanical parts were manufactured by various western firms and the wooden pipes were made in Šiauliai.

[5] The churchyard gates are designed as a tripartite triumphal arch with ornamental decoration: the complex cornices, vaults and niches reflect the harmony of neo-baroque and neo-renaissance forms typical of fin-de-siecle historicism.