Following her graduation from university, Merrick worked in various capacities for her First Nation. She initially worked as the Associate Health Director for the Cross Lake Band, and then as the executive director. She served 12 years as a councillor for the First Nation until she ran for the position of chief in 2013, becoming the second woman to serve in the position in the First Nation's history. During the
Manitoba Hydro Northern Flood Agreement, she was an advocate for Indigenous rights. after serving as chief of the Pimicikamak Cree Nation. In the first round, Merrick and Kemp received 17 and 13 votes respectively, with candidates requiring 11 votes to advance to the second round of voting. She succeeded
Arlen Dumas, who had vacated the position following allegations of workplace sexual harassment. Merrick campaigned on addressing affordability for
elders, giving First Nations control of child and family services, tackling addiction and homelessness, addressing violence among First Nations communities, and seeking justice for
Missing and Murdered Indigenous people. against two other challengers: George Kemp and Darrell N. Shorting, a member of the
Little Saskatchewan First Nation. She won with 65 percent of the vote. Prior to her death, she was scheduled to speak regarding the long-term boil water advisory at the
Shamattawa First Nation. ==Personal life==