You are correct about the family relationship. My GG Grandmother was Mararet Kevill married to Peter Callahan. One of her bothers was Alexander who married Ellen Brennan. Alexander died at the age of 41 on March 28, 1887 and is buried in St. Peter's Catholic Cemetery, Jefferson, SD. The had 10 children. Ellen married a second time to a Maxim Desjarlois. If you need further information, please feel free to contact me at this site or directly at
kkc@vyn.midco.net.
Sincerely:
Kim Callahan