This book answers the following kinds of questions: In the 1880 census my great-great-grandmother lived on Lykins Street, but that street no longer exists. Where did she live? Lykins Street extended west from Washington Avenue (today's Washington Street) to Summit Street. Its name changed ca. 1881 to Fourteenth Street. My ancestor was described in a 1883 newspaper article as living on Sixteenth Street. How far east did Sixteenth Street extend in 1883? Sixteenth Street extended east to Flora Avenue in 1883. Were Westport's and Kansas City's Main Streets one and the same? No. Find out what became of Westport's Main Street when Westport was annexed into Kansas City in the 1890s. When did Mabillon (aka Mobillon) Street cease to exist by that name? Its name was changed to 15th Street around 1870. Was McCoy Street the same as McCoy Avenue? No, they were different streets in different parts of the city. McCoy Street became Sixteenth Street in 1872. Did Colorado Avenue ever have a different name? Before 1888 a part of it was known as Emma Avenue. In 1890 a part of it became Indiana Avenue. What is Kansas City's oldest existing, named street? Main Street (Originally "Commerce" in 1839); Front Street was originally called Water Street, and was named Levee St for a time.