Harrison County is named for William H Harrison, who was the ninth President of the United States of America.
Surrounding County Courthouses:
N – Stone County
E – Jackson County
S – Gulf of Mexico and Saint Bernard Parish, Louisiana
W – Hancock County
Created: February 5, 1841 
County Seat:
Mississippi City 1841 – 1901
Gulfport 1901 – present
Biloxi 1968 – present
* Harrison County has two county seats
County Courthouse – Gulfport
Location: 1801 23rd Avenue / 18th Street
Built: 1975 – 1977
Style: Modern
Architect: Proffer, Teague, Ashton & Osswald
Contractor: Wright Associates Inc.
Description: The building faces east and is a three story concrete structure. The building is located on landscaped grounds in the center of Gulfport. The first story is recessed with vertical pillars dividing horizontal windows. The entrance is in the center area. Above is tan colored siding with an overhanging roof with wide tan colored edge. The roof line is flat. The building houses the First District County Circuit Court of the 2nd Judicial District, County Chancery Court and County Court.
County Justice Court – Gulfport
Location: 1709 24th Avenue / 18th Street
Built: 2009 – 2011
Style: Modern
Architect: Eley Guild Hardy Architects
Contractor: Trademark Construction, Inc.
Description: The building faces east and is a two story red colored brick and concrete structure. The building is located along the west side of the courthouse in the center of Gulfport. The east front has a slightly projecting center section which rises above the roof line and has two red colored brick pillars rising to a header above the second story and with recessed entrance on the first story. The north and south corners has small square towers with framed entrances on the first story. The windows are vertical and the roof is flat. Ther building houses the County Justice Court – 1sr District.
See: The Second Judicial District Courthouse is located in Biloxi.
Old County Courthouse – Mississippi City
Location: 135 Courthouse Street / 16th Street
Built: 1892 – 1893
Style: Modern
Architect: Unknown
Contractor: Unknown
Description: The building faces east and is a two story red colored brick and concrete structure. The building is located in the center of Mississippi City (Gulfport). The building was part of a complex of courthouse buildings from 1841 to 1902. The building was destroyed by Hurricane Katrina in 2005 and rebuilt in 2009.
History: The county was created in 1841 and Mississippi City was selected as the county seat. The first courthouse was built in 1841 and the second courthouse was built in 1892 to 1893 in Mississippi City and a replic stands on the site. The county seat was moved to Gulfport in 1901. The third courthouse was designed by Andrew J Bryan & Company and constructed by W T Lewman & Company in Gulfport in 1903. The building was destroyed by fire in 1916. The fourth courthouse was designed by N W Overstreet and constructed by Dobbs & Wetmore in 1917. In 1968, Biloxi was made the second county seat and the fifth courthouse was constructed in Biloxi in 1967 to 1968. The sixth courthouse was constructed in 1975 to 1977 in Gulfport.
County Courthouse – Gulfport
County Justice Court – Gulfport
Photos taken 2011 and 2017