John's name is spelled REDMAN on all his children's birth registrations.  In the 19001 census it lists his date of birth as July 13, 1843.

1901 Census of Canada Page Information District: ON WELLINGTON (Centre) (#124) Subdistrict: Garafraxa (East/Est) D-2 Page 10 family #102
Reydmond John M Head M Jul 13 1843 57 
Reydmond Sarah F Wife M Jun 19 1844 56 
Reydmond Francis M Son S May 5 1874 26

1911 Census / Ontario / Dufferin / 5 Garafraxa East / page 6 family #67
Redmond John M Head M Jul 1845 65  
Redmond Sarah F Wife M Jun 1846 64

Fergus News Record, Sept. 26, 1929  MARSVILLE - On Saturday morning, Sept. 21, there passed away at the home of his daughter, Mrs. Jas. McGowan in this village, a life long resident of this community in the person of Mr. John Redman.  The deceased was born on July 13, 1845 and had reached the ripe old age of 84 years.  He was the son of the late Mr. and Mrs. Redman who were among the earliest peioneers of this vicinity.  After his marriage, he lived on Lots 7 and 9 on the 11th line where he resided the greater part of his life.  He had enjoyed good health throughout his long life until a few months previous to his demise.  Since Mrs. Redman's death 18 years ago, he has made his home with his son Frank on the 11th line.  The late Mr. Redman was of a quiet cheerful dispositon and was always highly respected by his neighbors.  The funeral was held on Monday afternoon to Price's Cemetery and was largely attended.  The Rev. J. Reidie conducted the services at the house and the grave.  The pall bearers were six grandsons.  Wesley McGowan, Earl McGowan, Claude Redman, Hunter Redman, Leslie Redman and Lloyd Redman.  

From the same paper, the death notice was printed.  Redman - In East Garafraxa, on Saturday, Sept. 21st, 1929, John Redman, in his 85th year.

Ontario, Canada Deaths, 1869-1932 Record info about John Redman b
Name: John Redman b Death Date: 21 Sep 1929 Death Location: Dufferin Gender: Male Estimated Birth Year: abt 1845 Birth Location: E Garsfossea Twp (transcription is not done well on this entry!) #013611

Inscription from their tomb stone in Price's Corners Cemetery, grave 9-10
Redman - Sarah Brawley wife of John Redman, died Oct. 28, 1911, in her 67 year.  At rest.  John Redman 1845-1929