Hi Josephine
If this is your Duncan Laing, he claimed to have been born in Scotland in several Canadian censuses.
Copied from IGI:
1871
Name: Duncan Laing
Gender: Male
Age: 26
Birth Year (Estimated): 1845
Birthplace: Scotland
Marital Status: Married
Nationality: Scotch
Religion: C Presp
Event Place: 01, Mersea f, Essex 01, Ontario
Page Number: 43
House Number: 154
**********************
************
1901
Name: Duncan Laing
Event Type: Census
Event Date: 31 Mar 1901
Event Place: E, Macdonald, Manitoba, Canada
Gender: Male
Marital Status: Married
Ethnicity: Scotch
Nationality: Canadian
Religion: Presbyterian
Relationship to Head of Household: Head
Birthplace: Scotland
Birth Year (Estimated): 1846
Page: 11
Household Role Gender Age Birthplace
Duncan Laing Head M 55 Scotland
Clara M Laing Daughter F 14 Mb
Eleanor Laing Wife F 55 Ireland
Charles D. Laing Son M 21 Ontario
William L. Laing Son M 19 Mb
Ruby J. Laing Daughter F 17 Mb
Family Number: 100
******************************
*************
1906
Name: Duncan Laing
Event Type: Census
Event Date: 1906
Event Place: 16B, Portage la Prairie, Manitoba, Canada
Gender: Male
Marital Status: Married
Relationship to Head of Household: Head
Birthplace: Scotland
Birth Year (Estimated): 1846
Household Role Gender Age Birthplace
Duncan Laing Head M 60 Scotland
Clara Laing Daughter F 20 Manitoba
Ellen Laing Wife F 60 Scotland
William L. Laing Son M 24 Manitoba
Robena Laing Daughter F 22 Manitoba
Family Number: 136
************************************
**********
1911
Name: Duncan Laing
Event Type: Census
Event Date: 1911
Event Place: Portage la Prairie Sub-Districts 1-51, Manitoba, Canada
Gender: Male
Age: 63
Marital Status: Married
Relationship to Head of Household: Head
Relationship to Head of Household (Original): Head
Birth Date: Dec 1848
Birthplace: Scotland
Household Role Gender Age Birthplace
Duncan Laing Head M 63 Scotland
Elenor Laing Wife F 63 Ireland
William Laing Son M 30 Manitoba
Ruby Laing Daughter F 28 Manitoba
District: Portage la Prairie , Household ID: 17 , Line Number: 40 , GS Film Number: 002417668 , Digital Folder Number: 007526725 , Image Number: 00643
*************************
***************
1916
Name: Duncan Laing
Event Type: Census
Event Date: 1916
Event Place: Manitoba, Canada
Gender: Male
Age: 67
Marital Status: Widowed
Ethnicity: Scotch
Relationship to Head of Household: Self
Birthplace: Scotland
Birth Year (Estimated): 1849
Immigration Year: 1854
Township: 14
Province: Manitoba
District Number: 06 Neepawa
Sub-District Number: 17
Enumeration District: 14
Page: 8
Affiliate Film Number: T-21928
Household Role Gender Age Birthplace
Duncan Laing Self M 67y Scotland
William L Laing Son M 34y Manitoba
Ruby J Laing Daughter F 31y Manitoba
Fred Laing Grandson M 10y Manitoba
**********
Jean C