At the Launceston Library. Post Office Directory on Microfilm 1890-1948, Census Returns 1842-1851.
Assisted Immigration 1841-1889
Meander: Legislative Council 24th July 1856
John Parker, River Don, Don Land Freeholdestate
Devon: House Of Assembly No Parkers 1856
Fingal:1861-1862 Parker Charles Allen at Beeham, Salary 100 Pds, Name of employer Arthur O'Connor, Esq., Lake River, Date of Appointment, 10th November 1860.
Devon: 1861-1862 No Parkers
Post Office Directory 1890 off the film
Dulverton, Devon. Co.70 miles N.E from Launceston; a railway; Wes.Church; Post office; agric & Coal mining district. See also Railton.
Parker John, miner
Parker Mary Ann, postmistress.
Fingal 1890: Parker Thomas H Landowner.
See website on other records held at the Library.http://www.statelibrary.tas.gov.au/familyhistory/azresearch
Let me know,hope this helps.