In addition to Glušič, his surname is attested as Gluschitsch, Glusitsch, Glussitsch, and Gluscitz. The spellingsGluschitsch and Glusitsch are attested in 1689, Glussitsch in 1851, and Gluschitz in 1854. His surname appears Slovenized as Glušič by 1875.