Have you found this tree on FamilySearch.org might be worth pursusing .

https://familysearch.org/ark:/61903/2:2:3SNG-VKR

All info below comes from tree above and should be DOUBLE CHECKED

Alexander McKENZIE
1803 - 1876
Birth 22 August 1803 Contin, Ross and Cromarty, Scotland, United Kingdom
Death 25 Feb 1876 Masterton, Masterton, Wellington, New Zealand

Marriage
16 Jan 1834 Urray, , Ross And Cromarty, Scotland (also shown as 10 Jan)

Mary Gollan (Wife)
1811 - 1890
Birth 16 JUL 1811 Killeaman, Cromarty, Ross 7 Cromarty, Scotland
Death 7 Jul 1890 Masterton, Masterton, Wellington, New Zealand
Burial 10 July 1890 Archer Street Cemetery Masterton New Zealand

Children:

Donald McKenzie (Son)
1834 - 1927
Birth
4 December 1834
Christening
6 December 1834
Urray, Ross and Cromarty, Scotland, United Kingdom
Death
9 May 1927
Masterton Wairarapa New Zealand
Burial
11 May 1927
Archer Street Cemetery Masterton Wairarapa New Zealand

Isabella Mckenzie (Daughter)
1837 - 1915
Birth
2 May 1837
Ross and Cromarty, Scotland, United Kingdom
Death
1915
Masterton, Wellington, New Zealand
Burial
7 April 1915
Archer Street Cemetery Masterton New Zealand

Roderick McKenzie (Son)
1839 - 1914
Birth
1839
Contin, Ross and Cromarty, Scotland, United Kingdom
Christening
4 May 1839
Urray, Ross and Cromarty, Scotland, United Kingdom
Death
25 January 1914
Fernridge Masterton New Zealand

Murdoch McKenzie (Son)
1842 - 1907
Birth
12 May 1842
Urray, Ross and Cromarty, Scotland, United Kingdom
Christening
19 May 1842
Urquhart and Logie Wester, Ross and Cromarty, Scotland, United Kingdom
Death
13 August 1907
Dannevirke, Tararua District,New Zealand
Burial
14 August 1907
Dannevirke Setlers Cemetery,Dannevirke, New Zealand

Colin Mackenzie (Son)
1844 - 1889
Birth
21 July 1844
Christening
1 August 1844
Urquhart and Logie Wester, Ross and Cromarty, Scotland, United Kingdom
Death
9 January 1889
Ashhurst, Manawatu, New Zealand
Burial
10 January 1889
Terrace End Cemetery Palmerston North New Zealand

John Mc Kenzie (Son)
1847 - 1934
Birth
10 December 1847
Urray, Ross and Cromarty, Scotland, United Kingdom
Death
8 February 1934
Upper Plain Masterton Wairarapa New Zealand
Burial
10 February 1934
Archer Street Cemetery Masterton Wairarapa New Zealand

Jessie McKenzie (Daughter)
1850 - 1864
Birth
1850
Urray, Ross and Cromarty, Scotland, United Kingdom
Death
1 November 1864
Masterton Wairarapa New Zealand

Jemima McKenzie (Daughter)
1853 - 1942 Birth
23 October 1853
Melbourne, Victoria, Australia
Death
1942
Burial
1942
Martinborough, Wairarapa,New Zealand

Also found this tree:

https://familysearch.org/tree/#view=tree&person=LJG1-KMS§ion=pedigree

1841 census
Name: Alexander Mckenzie
Age: 35
Estimated Birth Year: abt 1806
Gender: Male
Where born: Ross and Cromarty, Scotland
Civil Parish: Urquhart
County: Ross and Cromarty
Address: New Moor
Occupation: Ag Lab
Parish Number: 84

Alexander Mckenzie 35
Mary Mckenzie 25
Donald Mckenzie 6
Isabella Mckenzie 4
Roderick Mckenzie 2
.................................................................................


1851 census
Name: Alexander Mckenzie
Age: 46
Estimated Birth Year: abt 1805
Relationship: Head
Spouse: Mary Mckenzie
Gender: Male
Where born: Contine, Rossshire
Parish Number: 84
Civil Parish: Urquhart and Logie Wester
County: Ross and Cromarty
Occupation: Crofter Of 18 Acres
ED: 10
Page: 4
Household schedule number: 11
LINE: 1
Roll: CSSCT1851_18

Alexander Mckenzie 46
Mary Mckenzie 39
Isabella Mckenzie 14
Rodrick Mckinzie 12
Coline Mckenzie 6
John Mckinzie 3
Donald Mckinzie 16
Murdo Mckinzie 8
Jessie Mckinzie 9 Mo

http://billiongraves.com/pages/record/Alexander-McKenzie/7887655#given_names=Alexander&family_names=McKenzie+

Greetings and thank you very very much. May I record the above please.