At the "LDS" Genealogy Library here in Chicago, they had a microfilm on file #0424959 from Luxembourg, Diekirch, Bourscheid. I found a Cornelius Fischbach and family living there circa 1830's through 1840's.
1. Marriage record: Dec. 9, 1834 Cornelius Fischbach son of Jos. Fischbach & Anna Maria Kriek of Michelau, Luxembourg to wed Cath. Shaan daughter of ? from Bourscheid, Luxembourg.
2. Birth record: Dec. 24, 1835 Maria Margaretha Fischbach daughter of Cornelius Fischbach and Cath. Shaan from the village of Kehmen (Parish of Bourscheid)
3. Birth record: Jan. 5, 1840 Theodorus Fischbach son of Cornelius Fischbach and Cath. Shaan from the village of Kehmen (Parish of Bourscheid).
- Death record: Oct. 5, 1840 Theodorus Fischbach son of Cornelius
Fischbach and Cath. Shaan from the village of Kehmen
(Parish of Bourscheid).
4. Birth record: Oct 31, 1841 Mathias Fischbach son of Cornelius Fischbach and Cath. Shaan from the village of Kehmen (Parish of Bourscheid).
Miscellaneous entry: Birth of Joannes Fischbach, May 11, 1839, from Bourscheid, Luxembourg. Mother's name was Maria Fischbach.
On a second microfilm tape that was there, #1142179 from Luxembourg, Wiltz, Kautenbach there was the Johann Fischbach family circa 1840's to 1860's
1. Marriage record: July 11, 1840 Johann Fischbach from Bourscheid wed Susanne Bruck from Alscheid.
2. Birth record: Oct. 28, 1842 Johann Fischbach son of Johann
Fischbach & Susanne Bruck of Alscheid.
Death record: Dec. 23, 1842 Johann Fischbach son of Johann
Fischbach & Susanne Bruck of Alscheid.
3. Birth record: Nov. 1, 1843 Anne Fischbach daughter of Johann Fischbach & Susanne Bruck of Alscheid.
4. Death record: Sept. 6, 1866 Johann Fischbach from Alscheid,
born
approx. 1815.