James Leeman/Mary Kern born in NB Canada

I am searching for information onmy gfather's parents.His marriage license found in Bangor, ME shows both parents born in New Brunswick, Canada but no other info.

My gfather was James Leeman born 1877 in NB and died 1949 in Howland, ME.His parents were James Leeman, born NB and Mary Kern born NB.

My gfather married Catherine H. Hurley born 1876 in St. John, NB.Her father was Willaim Hurley born in Ireland, and Ellen Dunn born in Ireland.

Any info on the my above named ggparents is appreciated.