Bank with the Nation's First Credit Union.
Become a Member
As a member-owned, not-for-profit credit union, St. Mary’s Bank is your trusted advisor. We are dedicated to helping you achieve your financial goals—from providing exceptional, caring service to delivering products and services that offer real value.
Membership is open to anyone with the purchase of one share of capital stock for $5.
It's easy to become a member!
Schedule a virtual or in-person appointment
Call, click, or visit a branch in Manchester, Hudson, Londonderry, Milford, or Nashua.