Here is a list of holidays when the courthouse is closed in 2023 based on the search results:

• New Years Day: Monday, January 2, 2023
• Martin Luther King Jr. Birthday: Monday, January 16, 2023
• Good Friday: Friday, April 7, 2023
• Memorial Day: Monday, May 29, 2023
• Juneteenth: Monday, June 19, 2023
• Independence Day: Tuesday, July 4, 2023
• Labor Day: Monday, September 4, 2023
• Yom Kippur: Monday, September 25, 2023
• Veterans Day: Friday, November 10, 2023
• Thanksgiving Day: Thursday, November 23, 2023
• Friday after Thanksgiving: Friday, November 24, 2023
• Christmas: Monday, December 25, 2023

Note that this list may not be exhaustive and there may be additional holidays when the courthouse is closed. It is always best to check with the specific courthouse for their holiday schedule.