Mina Holmes was elected the new Chief of the Carrier Sekani Tribal Council on Friday.
She drew 415 votes to Mary Teegee's 339 while 14 ballots were cast in favour of Kathaleigh George.
"Thank you everyone for your support and prayers," Holmes said in a social media posting. "I look forward to working closely with all community members and I believe the strength of our collective communities as we forge forward in a future of possibilities and opportunities."
Holmes went on to acknowledge Teegee and George.
"It has been an honor to be part a this historic election in CSTC history. You are both amazing women I (look) forward to working with moving forward," she said.
It was the first time three woman ran for the post.
A member of the Tl'azt'en Nation, Holmes has been the CSTC's reconciliation table coordinator.
She takes over from Terry Teegee, who became the regional chief of the B.C. Assembly of First Nations last March.
