The earliest Pierre in my husband's family is Theodore Pierre b. 1806 in Luxembourg. He married Catharine b. 1810 Luxembourg. They had several children, Maria Theresa b. 1841 Luxembourg d. 1/16/1881 MN, and Anna PIERY b. 5/23/1843 Luxembourg d. 5/23/1897 Avon,MN, Theodore b. Luxembourg, John b. 1846 Cincinnati, OH, Nicolas b. 1851 Cincinnati, OH, & Catherine b. 1854 Cincinnati, OH. They then migrated to MN. Please contact me if you have any additional info.