Margaret Bell Cameron

Congressional Edition...

"Whereas Daniel Cameron, of the parish of Subervois...(Lower Canada), husband of Margaret Cameron, daughter of James Bell, late of Chambly....".

...Margaret Bell, widow of James Bell and mother of Margaret Cameron...

Murdock Cameron

American State Papers:...:

No. 336.  Murdock Cameron...as grantee of George Hoffman...lot of ground at Michillimackinack.....

Page 375

Source

"In 1811 Cameron died, and the place of his burial on the banks of the Minnesota was called for years Cameron's grave." [Ibid]

Allen Cameron Mentioned In The Journals Of Congress

Source

"Resolved, That the said Allen Cameron...confined in prison at Philadelphia....".

The back story can be found in a newspaper account here.