Possibile variations for the spelling
could be...
Krier, Kreir, Kreier, Kreyer, Cryer
and maybe others...
From what I know my Kreier connections tie into Germany, Wisconsin, Minnesota,
The Dakota's, Oregon
& Washington.
My grandfather is: David Olaf Kreier
His father was: William Henry Kreier
His father was: Herman Krier/Kreier
His father was: Micheal Krier/Kreier