Yes, that's what makes a Cinnamon Queen.I understood the cinnamon queen to be a cross of Rhode Island, red and Wyandotte
And the other common Red Sexlinks have a variety of different mother breeds, usually brown-layers of one kind or another, and almost never White Leghorns.
The post you quoted was made back in 2011, so information on sexlinks may not have been as widely available or easy to find as it is now.