According to the Berwick Cemetery, Warren Co, IL, tombstone inscription listed on the Find-A-Grave website, Thomas Mann, was born Mar. 14, 1825 and died Apr. 6, 1885. That birth date, Mar. 14, 1825, is pretty close to the date of an extracted christening record listed on the on-line LDS IGI for a Thomas Vooght Mann, 07 April 1825, Kingsteignton, Devon, England. Parents, John & Mary Mann.