High Quality Content by WIKIPEDIA articles! Sacred Heart Cathedral, Davenport, Iowa, United States, is the cathedral parish for the Catholic Diocese of Davenport. The cathedral is located on a bluff overlooking the Mississippi River to the east of Downtown Davenport. It is listed on the National Register of Historic Places as Sacred Heart Roman Catholic Cathedral Complex. This designation includes the church building, rectory and the former convent. The cathedral is adjacent to the Cork Hill Historic District, also on NRHP. Its location on Cork Hill, a section of the city settled by Irish immigrants, gives the cathedral its nickname Cork Hill Cathedral.