It is the mother church and seat of the diocesan bishop of the Diocese of Santa Rosa in California.

[1] It is located in the City of Santa Rosa.

The parish was founded in 1950[2] and it became a cathedral when the Diocese of Santa Rosa was established by Pope John XXIII on January 13, 1962.

[3] The cathedral was named for the 7th century Pope Eugene I.

[4] Media related to Cathedral of St. Eugene (Santa Rosa, California) at Wikimedia Commons