Do you have any birth records for the other children? What information about the father?
Do you have Alexander McKenzie’s death certificate? Please supply information.
I don't have birth certificates for the elder 2 (Roderick's) sons, James and Roderick
I do have for Alexander's children Isabella, 1855 (prev post) and Alexander in 1856, which adds nothing new, but not for Margaret 1852 or John, 1858. The 1855 birth certificate also mentions 2 dead sons (at least I think that's what i says! )which adds new possibilities.
I have the wrong Alexander MacKenzie's death certificate and no credits left in SP!!!! It's Roderick that my line lies through so I haven't focused on this line yet, but it's rather intriguing. ALexander is either listed as coming from Ross-shire or, more specifically Gairloch. The nephew John MacKenzie living with them in the 1861 census is son of John MacKenzie of Gairloch but long since married to Isabella Phimster in Wick. John snr then is possibly/ presumably brother of Alexander (but possibly Roderick).
John's death certificate gives his parents as John MacKenzie and Margaret MacKenzie of Gairloch. There are a few possibilities in Gairloch around that time which I'll need to delve into