They were in Ontario by 1871:

Ontario, Canada Census Index, 1871
about Ebeneser Watkinson
Name: Ebeneser Watkinson
Age: 36
Estimated birth year: abt 1835
Gender: Male
Birth Place: England

Residence District: Parry Sound
Residence Location: Aumick Lake
Ethnic Origin: English
Religion: Baptist
Occupation: Farmer
Microfilm Roll: C-10023
Page: 9
Head of Household Comment: This person is listed as a head of household.

1901 Canadian Census

www.automatedgenealogy.com

Monteith Township, Parry Sound District, Ontario

Watkinson, Ebenezer, Head, married, b. 19 September 1836, age 64, b. England, emigrated 1871, Methodist, farmer
Watkinson, Eliza, Wife, married, b. 4 August 1845, age 55, b. England
Watkinson, Arnold(?), Son, single, b. 8 August 1867, age 33, b. England
Watkinson, Gilbert, Son, single, b. 26 April 1870, age 30, b. England
Watkinson, Ernest, Son, single, b. 14 August 1882, age 18, b. Ontario
Watkinson, James, Son, single, b. 7 April 1884, age 16, b. Ontario
Watkinson, Arthur, Son, single, b. 25 January 1887, age 14, b. ontario
Watkinson, Jessie, Son, single, b. 19 November 1888, age 12, b. Ontario

#28078/29 (Parry Sound District), Ebenezer Watkinson, d. 19 January 1929 at home in Monteith Township, aged 92 years, 4 months; b. 19 September 1836 in Suffolk England, laborer, in Canada bout 58 years, son of David Watkinson & Ellen Ursula; informant: Arthur John Watkinson, son, of Sequin Falls; burial at Sequin Falls

Children born in Ontario:

Arthur John, b. 25 January 1887
Charlotte Edith, b. 1 February 1874
Ebenezer, b. 19 February 1876
Ernest, b. 14 August 1882
Helen, b. 27 May 1879
James Albert, b. 7 April 1885
Jesse, b. 19 November 1888
Lydia, b. 26 May 1877

Eliza's maiden name is alternatively spelled Royster, Royston & Boyson.

From the Huntsville newspaper:

http://www.huntsvilleforester.com/1164814666/

The death occurred of Leona Mary Blundell, 82, on November 18, 2006 at Fairvern Nursing Home.

The deceased was born on July 16, 1924, the daughter of Ella May (Downing) and Ernest Watkinson.

She married Milford Blundell on January 30, 1948 in Parry Sound. Her husband resides at Fairvern Nursing Home.

Mrs. Blundell is survived by two sons and two daughters, Joyce (Robert) Daultrey of Huntsville, Joan (Raymond) Leigh of Utterson, Milford (Janet) Blundell of Oakwood and Ernie (Kathy) Blundell of Dwight. Also survived by her sister, Muriel Lashbrook of MacTier, 12 grandchildren, Leona (Pat) Wuori, Dorothy (John) Sleeman, Bob (Sharinon) Daultrey, Deanna Daultrey, Tammy (Mike) Leigh, Raymond (Christina) Leigh, Mary (Brad) Currie, Rob (Tanya) Blundell, Shailynn Blundell, Jonathan (Carol Ann) Blundell, Grant and Tyler Blundel, and 26 great-grandchildren.

Mrs. Blundell was a wife, mother and homemaker. She was a member of Bethel Pentecostal Church. She loved to attend church, work in her garden and spend time with her family.

Funeral service was conducted by Pastor Lionel Miles of Bethel Pentecostal Church on November 21, 2006. Interment at Madill Church Cemetery.

Pallbearers were Raymond Leigh, Bob Daultrey, Rob, Jonathan, Tyler and Grant Blundell (all grandsons).

Arrangements entrusted to the Billingsley Funeral Home.

There's information about Jessie's descendents at this site:

http://www.rittenhouse-genealogy.com/rittenhourse-genealogy-...