Re: DeMarce Family of Canada/Iowa---1850's

My great-great grandmother was Sarah Demarce McDoll. She Was Daughter of Jesse and Katherine Boyer Demarce. She was born in Washington county,Iowa. Jesse Demarce Was born in Canada Aug. 24,1833. He died in Washington county, but not sure the date right now. His wife Katherine was born in Ohio near Toledo Feb.24,1836 and died May 27,1911 Washington county,Iowa. I also have a Esther Deamrce sister of Jesse.