Name/Alias John TONKIN. 
Birth date and place 4 Jul (tentative) 1822 Tavistock, Devon, England.
Baptism date and place 28 Jul 1822 Wesleyan Methodist, Tavistock, Devon (tentative).
Civil Census Residences Banawell Street, Tavistock, Devon (1841).
36 Melbourne Place, Sandy Hill Road, Plumstead, Lewisham, London (1861).
Barracks Sergeants Quarters, Stoke Damerel, Devon (1871).
14 Chapel, Stoke Damerel, Devon (widow 1881).
See Musters below (1851, 1861).
Trade Copper Miner (1841).
Superior Barrack Sergeant (1871).
Physical Description Height: 5 ft. 10½ ins. Complexion: fresh. Eyes: grey. Hair: dark brown.
Marriage date and place 5 Feb 1851 St Johns Church, Fremantle, Western Australia.
Spouse Emma ANNEAR.
Children None.
Death date and place 30 Apr 1879 Stoke Damerel, Devon.
Burial date and place 5 May 1879 Stoke Damerel, Devon.
Will and Probate Will proved 24 Jun 1879, Exeter Registry. Executrix Emma Tonkin, widow.
Personal Estate under £300.
Death/Funeral Notices
Corps and Company Royal Engineers 20th Company (formerly Royal Sappers & Miners).
Service No. and Rank #941 Private.
Attestation date and place 20 Nov 1844 Devonport, Devon.
Service/Campaigns Western Australia 10 years.
North America 7 months.
Musters WO11-130 (1850) to WO11-169 (1859) Western Australia.
WO11-190 5th Company Woolwich (1861).
Promotions Private to 2nd Corporal 23 Feb 1854.
2nd Corporal to Corporal 1 May 1859.
Corporal to Sergeant 1 Sep 1862.
Medals, Clasps and Badges Three Good Conduct Badges.
Long Service & Good Conduct Medal (£10 gratuity).
Casualty/Medical None.
Courts Martial None.
Once entered in the Regimental Defaulters Book.
Discharge date and place 13 Mar 1866 Woolwich.
Length of Service 21 years 114 days.
Chelsea Pension Reference WO97-1364-119.
Post Discharge Residence Parkhurst, Isle of Wight.
Pension District
Pension  27d. per diem.
Ship Scindian.
Departure and Arrival dates Dep. Portsmouth 4 Mar 1850. Arr. Fremantle 1 Jun 1850.
Occupations post-arrival in WA Instructing Warder [Barker p.202].
Subscriptions to Funds Nightingale Fund 1857.
Land Acquisition None in Western Australia.
Newspaper Articles
Ship ex-WA Robert Morrison.
Departure date and destination Dep. Fremantle 4 Oct 1859 for Cape of Good Hope and London.