Matriculation cases before December 1727 are recorded in the registers of the parish of Großpetersdorf. However, even after the start of its own registers, there are still records for the town of Schlaining in the parish of Großpetersdorf.
The parish includes Altschlaining, Drumling, Schönau (a hamlet near Schlaining) and Goberling. Goberling was originally near Mariasdorf and then became part of Schlaining.
There are currently no registers available online.