Yes, Silent Scream is definitely a goth band because most of their albums belong to the Gothic Rock genre, which is a core subgenre of goth music. Albums like Silent Scream are examples of their goth sound.
Silent Scream is located in United Kingdom, England, Tyne and Wear, Newcastle upon Tyne, active in 1980 — 1982. You can find more information about Silent Scream on their GothDB band page.