Galveston County Clerk is Mary Ann Daigle. The Courts under County Clerk are the following: County Court #1, County Court #2, County Court #3 and Probate Court, which is under the honorable Judge Gladys B. Burwell.

The County Clerk is responsible for Birth and Death Records, Real Property Information and Forms, Business and Assumed Name Rules and Information, Court fees, and Real Property. Birth and Death Records and Information is available from 1903. Deaths or births before June 1903 are not recorded unless delayed birth or death certificate was filed. Only the parent, child, brother, sister, grandparent, step-parent, step-sibling, legal guardian, or managing conservator are qualified applicants.

Residents of Galveston County may file an Assumed Name (D.B.A.) with the County Clerk in the county(s) in which the business is to be located and/or will conduct business. Corporations and incorporated documents are files with the Secretary of State in Austin. Upon filing in Austin, the D.B.A. is then filed with the County Clerk's Office. Marriage records in Galveston County exist from 1838 to present. Marriage License must be obtained 72 hours prior to wedding. This can only be waived by a District or County Court at Law Judge or an applicant who is on active military duty in the armed forces.