LaSalle county Illinois directory of 1877 on page 359, Ottawa Township.
John R Cameron,Postmaster, born in Peterboro,Madison county New York on Nov 7 1831. Came to Ottawa,Illinois in Nov 1854; married Kate A Viets, Jan 1866; she was born in New York city; Mr.Cameron was appointed to the place he now holds in April 1869; he has held that office since that time.

The 1880 census for Ottawa,La Salle county Illinois
John R.Cameron age 49,postmaster, born in New York and both parents born in Scotland.
wife Katy A,age 38 born in New York, father born in Massachusetts and mother in Scotland
son Edgar age 18 born in Illinois, parents born in New York.
brother to John R. is listed;James 51,farmer,born in New York and parents both born in Scotland.
Jenny Murdock age 22,servant,domestic help,born in Scotland with both parents born in Scotland.