I have only a small bit on one TENNANT in my database, and he was JAMES TENNANT that was the second husband of Minnie Coleman.
. Coleman Minnie 
The parents of Coleman Minnie are:
2. Coleman John Wylie  died June 15, 1928. was born October 20, 1856. and Victoria C. Robinson  were married December 7, 1875.
3. Victoria C. Robinson  : Victoria and Coleman John Wylie  were married December 7, 1875. Victoria died October 16, 1945. Victoria was born January 18, 1859.
Minnie Coleman was born in April 1895.
Minnie Coleman and Adams  were married (He was her first husband.).
Minnie and Mr Adams had the following children:
4. i. Charles Adams 
Minnie Coleman married a second time to JAMES TENNANT ...
Hope this helps you to get started.