A surname index to civil registration records for the years 1853 to 1863 can be found online at this link: St. Thomas Tables Decennales
Civil Registration Records are online at FamilySearch.org. at this location: Luxembourg - Civil Registration . The images begin with 30 March 1799 for Luxembourg city.
Citation: "Luxembourg, Registres d'état civil, 1779-1923." Images. FamilySearch. http://FamilySearch.org : accessed 2014. Citing Archives Nationales.
Indexes for these records can be found on the following Images: