Question: In which county was Jeremiah Joseph O'Keefe mayor from 1973 to 1981?

Related documents: [0]  [DOC] Biloxi ( ) is a city in Harrison County, Mississippi, United States. The 2010 United States Census recorded the population as 44,054, and in 2016 the estimated population was 45,975. Along with the adjoining city of Gulfport, Biloxi is a county seat of Harrison County. [END] 
[1]  [DOC] Jeremiah Joseph "Jerry" O'Keefe III (July 12, 1923 – August 23, 2016) was an American World War II veteran and decorated fighter pilot ace. In addition, he served as a member of the Mississippi House of Representatives and was the mayor of Biloxi, Mississippi from 1973 to 1981. [END]  
Answer: Harrison County
Harrison County