Hello Diana
Because I myself was having trouble finding information re Andreas I ended up buying the following; if you would like a look-up please let me know and forward any names.

Monumental Inscriptions Andreas - East & West (IOMFHS)

Monumental Inscriptions Andreas - Old Yard (IOMFHS)

Andreas Parish (including St. Judes) Burial register 1645-1971 (IOMFHS)

Monumental Inscriptions St. Jude's Andreas (IOMFHS)

Andreas 1851 census (IOMFHS)

Andreas 1881 census (IOMFHS)