These forms helpful when handling the estate of a deceased person. If you have questions, consult with an attorney.New entity filing forms are available on the "Initial Forms" tab. How Do I Change My Custody Order? Completing a marriage license application in Allegheny County is a two-step process. The license is issued after a mandatory three-day waiting period. The certificate of notarial act on notarized documents must be worded and completed using the English language. Information about family law, Family Division hours of operation, services, procedures, and payment and arrears information. Allegheny's English Department offers a wide range of courses in literature and in creative and expository writing. Directory - The Pittsburgh Public School District is the largest of 43 school districts in Allegheny County and second largest in Pennsylvania.