Moritz Moller was born in Germany around 1827. He immigrated to America and settled in New York City, New York, around 1846. He enlisted in the Union army on December 6, 1861, and mustered in as a private in Company A of the 103^rd New York Infantry a day alter. He was promoted to 2^nd lieutenant on September 27, 1862, and he resigned on October 17, 1863.