Darren L. Hill has been named a mortgage originator at Marlborough-based St. Mary’s Credit Union.

Hill, who has several years of experience in mortgage lending, will be responsible for helping develop and grow the credit union’s mortgage business by working through local Realtors and directly with homebuyers.

"Expansion of the mortgage department is important to our long-term growth, and we expect Darren to play a significant role," said St. Mary’s Credit Union, president and CEO Jack Caulfield. "Darren’s experience and knowledge of mortgage products will be a valuable resource to home buyers."

St. Mary’s Credit Union is a community credit union with more than $530 million in total assets. It serves all of Middlesex and Worcester counties.