1851 census Dover, Kent County
James, farmer, b Scotland, 53, Free Church
Jennett, Scotland, 42
John, Scotland, 19
Ellen, Scotland, 18
Even, US, 14
Christie, US, 13
James, US, 10
Dunkin, US, 8
Grace, Canada, 7
Elizabeth, Canada, 4
Susan, Canada, 1
1851 census Chatham Kent County
John, shoemaker, b Scotland, widowed, 44
Alexander, US, 17
Elizabeth, US, 13
John P, US, 11
Margaret, US, 9
Don't see Donald McPherson on 1851 census.
Registration didn't begin in Ontario until 1869 and was sporadic for a few years after.
A lot of the McPhersons would have been married and died prior to 1869.
Donald McPherson, 32, b NY State, living Raleigh, s/o Donald & Janet McPHerson married Ellen Grant, b and living Maidstone, d/o Donald & Janet Grant, witn: James McPherson of Raleigh & Kathleen Armstrong of Maidstone, 16 Jan 1877 at Chatham, Registration # 004657.
Mary Ann McPherson, 28, b USA, living Raleigh, d/o Donald & Janet McPherson married John Hillyard Field, 25, s/o Daniel & Clarissa Field, witn: Albert Field of Harwick & Christine McPherson of Raleigh, 19 Mar 1873, Raleigh, Kent, # 006331.
Susan McPherson, 27, b Dover East, d/o James & Janet McPherson, married John Wright, 45, b England, widower, s/o Thomas & Harriet Wright, witn: Kate Robertson of Chatham & Alexander Robinson of Dover East, 25 Dec 1877, Dover East Kent, #004685.
Charles McPherson, 40, b and living Raleigh, s/o Donald & Janet McPherson, farmer, married Elizabeth Lewis, 23, b Edinburgh, living Harwich, d/o David & Agnes Lewis, witn: Wm & Mrs Wm Shaw both of Raleigh, 23 Oct 1895, Chatham, # 006044.
Alex McPHERSON, 25, Morpeth Co. Kent, State of New York, s/o John McPHERSON & Grace GRANT, married Janet DUFF, 23, Town of Chatham, Kingston C.W., d/o David DUFF & Matilda McFAULS, witn: And. MUCKLE, Chatham, 22 October 1860.
Albert PAXTON, 28, Dover East, N.Y. State, s/o Richard & Annabella PAXTON, married E. McPHERSON, illegible, Chatham, State of N.Y., d/o John & Grace McPHERSON, witn: R. or D. PAXTON, Dover East, 25 December 1861
John PAXTON, 29, Dover East, Dover East, s/o Richard PAXTON & Anabella McKENZIE, married Ellen McPHERSON, __?, Dover East, Inverness, d/o James McPHERSON & Janet McPHERSON, witn: John McPHERSON, John CUMMING, both of Dover East, 11 January 1866
Norris Brisco CARSCALLEN, 27, Chatham, Fredericksburgh Ont, s/o Isaac CARSCALLEN & Sarah FARMER, married Christy McPHERSON, 27, Dover, Caledonia NY, d/o James & Janet McPHERSON, witn: George H. SMITH, Chatham, Grace McPHERSON, Dover, 29 Dec. 1868
Donald McPherson, b NY State, 69yrs9mths14days, died 1 May 1914 at Raleigh, widower, s/o Donald McPherson & Jennette McDonald, informant: Donald G McPherson of Prarie Siding, died of heart dilation, Chatham, # 017119.
James McPherson, b 16 Mar 1849, died 28 Dec 1911, widower, s/o Donald & Janet McPherson both b Scotland, inf: Chas McPherson, died of chronic nephritis, Chatham, # 016223.
Charles McPherson, b 13 May 1854, b Raleigh, retired gardener, s/o Donald McPherson & Janet Grant both b Scotland, burial: Chatham, informant: wife, Mrs Chas McPherson of Chatham, died 22 Feb 1927 of cerebral haemorrhage right hemiplegia with aphasia , Chatham, # 017856.
Susan [McPherson] Wright,aged 34, died 18 Oct 1884 in childbirth, informant: husband, John Wright, of Dover, #007633.
Christy Carscallen, widow, b 18 May 1849 Rochester NY, d/o James McPherson b Kingsmere Inverness Scotland & Janet McPherson b OS Inch Inverness Scotland, informant: A Grace Carscallen, daughter, of Dresden, died 30 Jan 1922 of pneumonia, burial: Dresden. # 016847.
1851,1901 and 1911 census on www.automatedgenealogy.com
1881 census on www.familysearch.org
Some marriages on http://homepages.rootsweb.ancestry.com/~maryc/thisisit.htm