Complex sentence: Storey married Mary Ann Addison, daughter of John Addison of Monkwearmouth, in April 1864, and, at the end of that year, he moved to Monkwearmouth as well.
Split into simpler sentences: Storey married Mary Ann Addison, daughter of John Addison of Monkwearmouth, in April 1864. By the end of that year, he moved to Monkwearmouth as well.