Complex sentence: It took them several years to construct the addition to the house; in the 1860 US Census, US Census 1860-Lafayette County, Paris, M653 Roll 585 Page 173 they were still living in the Paris community.
Split into simpler sentences: It took them several years to construct the addition to the house. In the 1860 US Census, US Census 1860-Lafayette County, Paris, M653 Roll 585 Page 173 they were still living in the Paris community.