ok searching a little more on newspaperarchive I did find this obit,which when I checked the census does seem to match as it shows Mary and John adopted a son- George L. Caine age 14 born in Kansas in the 1900 census.
Here is Johns obit:
Waukesha Freeman December 31, 1914, page 8
John M. Oddie
John M. Oddie, a former resident of
this county, died at his home in
Menomonie, Dunn county, December 22
aged 72 years. Funeral services
were held at his home in Menomonie
and his remains brought to Waukesha
county and interred in the R. P.
cemetery at Vernon. Funeral services
were conducted by Rev Dr.
Rogers of Carroll college. Mr. Oddie
took an active
interest in politics,
having held several town offices
and serving his district as assemblyman
in 1885. He leaves his widow
an adopted son, two sisters, Misses.
M. and E. Cumming, Vernon and
several nieces and nephews.