1911 did not find him in the Dayton directory. There are 3 Joseph Kuhr names in the 1911 Cincinnati directory.
===
NAME: Joseph Kuhr
RESIDENCE YEAR: 1912
STREET ADDRESS: 631 S Wayne Av Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1912
===
NOT LISTED in 1913 or 1914, but we find these KUHR names: David (peddler) and Yetta h 161 S Potomac
===
NAME: Joseph Kuhr
RESIDENCE YEAR: 1915
STREET ADDRESS: 153 S Nassau Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1915
==========
NAME: Joseph Kuhr
RESIDENCE YEAR: 1916
STREET ADDRESS: 65 E Green Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1916
====
NAME: Joseph Kuhr
RESIDENCE YEAR: 1917
STREET ADDRESS: 65 E Green Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1917
===
NAME: Joseph Kuhr
RESIDENCE YEAR: 1918
STREET ADDRESS: 65 E Green Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1918
====
NAME: Joseph Kuhr
RESIDENCE YEAR: 1919
STREET ADDRESS: 65 E Green Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1919-1920
===
NAME: Joseph Kuhr
RESIDENCE YEAR: 1921
STREET ADDRESS: 65 E Green Bertha
RESIDENCE PLACE: Dayton, Ohio, USA
OCCUPATION: Peddler
PUBLICATION TITLE: Dayton, Ohio, City Directory, 1921
