There are a couple of copies of John's book that are available on Amazon at the moment.
John Sayer's Snake River Journal, 1804-1805 by John Sayer (Author), Douglas Birk (Author) Publisher: Inst for Minnesota Archaeology (June 1989) ISBN-10: 9990747156
It is also available at https://shop.mnhs.org ...

I have now determined based on the church baptismal record for Pierre Guillaume Sayer signed by his father that Pierre Guillaume was the son John Sayer (ca. 1750) and not the son of John Charles Sayer as I indicated here.

The church registry from Pointe-Claire, Quebec states:

The twenty-first of July, eighteen fifteen, we the undersigned priest have baptized Pierre Guillaume, born the eighteenth of October, seventeen ninety nine. The natural son of John Sayer of the parish of Sainte Anne.
The god-father was Mr ...

Sorry I did not see your post before today. If you are still interested send me a note - Wayne

In your text you state: "a second boy, SAKACHUWESCUM, was given to him; an orphaned child of a “half-caste” woman and a deceased Indian."

SAKACHUWESCUM was the son of a a Muskego Cree Indian of York Factory and Wash-e-soo-E'Sguew the half-caste daughter of Matthew Cocking. Although his father had ...

Wayne:
I'm even more confused than Gary, exept I'm reminded of the old saying..."what you thought you heard is not what I meant to say.".
Should the line in your correction that reads "Jeremiah “Jerry” COOK was born around 1804 at Split Lake, son of a half breed woman named KE-CHE-COW-E-COM-E-COOT ...

Lots of fun. We are getting closer.

You wrote:

Jeremiah “Jerry” COOK was born around 1804 at Split Lake, son of an Indian woman and William Hemmings COOK (1768-1846), a Hudson’s Bay Company (HBC) fur trader from England who was in charge of all of the Company posts in the Nelson River District ...

You write :

"Jeremiah “Jerry” COOK was born around 1804 at Split Lake, son of an Indian woman named KAHNAPAWAMAKAN and William Hemmings COOK (1768-1846), a Hudson’s Bay Company (HBC) fur trader from England who was in charge of all of the Company posts in the Nelson River District, inland from York ...

James was a faithful family man.

According to oral tradition James also raised two of Barbara's children when her family moved to the US.

He also raised his second wife's grandson by her first marriage who became a rather famous individual.

John Norquay was born 8 May 1841 near St Andrews (Man ...

According to the Hudson Bay records in 1815/1816, James is described as being 5ft. 5 ½ inches tall and fair.

The Orkney seamen were liable to press gangs. The wars of 1778-1783 and 1793-1815 had stripped the Orkneys of seamen at such a rate that at one point the HBC was permitted to recruit only ...