Complex sentence: His son-in-law, Benjamin Gaither, inherited a portion of that land, and by the 1850s the area had ceased to be called log town and was known to inhabitants as Gaitherburg.
Split into simpler sentences: His son-in-law, Benjamin Gaither, inherited a portion of that land. By the 1850s the area had ceased to be called log town and was known to inhabitants as Gaitherburg.