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Coalgate isn’t just where we do business—it’s where our story began.
Shamrock Bank traces its roots back to 1924, when we were originally chartered as First National Bank in Coalgate. In 1955, Carolyn and Nolan Watson purchased First National Bank with a vision of strengthening rural communities. Over the decades, we grew by bringing together other community institutions across Oklahoma.
In 2002, those histories came together under one name—Shamrock Bank—headquartered right here in Coalgate, strengthening our commitment to the communities we serve. More than a century later, our mission hasn’t changed. We exist to serve local families, businesses, and rural economies with the kind of personal banking that only a community bank can provide.
At Shamrock Bank, you’ll find more than financial services—you’ll find people who know your name, understand your goals, and take pride in helping you succeed. Backed by modern technology and driven by an ownership mindset, we deliver dependable service with a personal touch.
Because in Coalgate, this isn’t just our headquarters—it’s home.
