Origin Bancorp, Inc. operates as a bank holding company for Origin Bank that provides banking and financial services to small and medium-sized businesses, municipalities, and retail clients in Texas, Louisiana, Alabama, and Mississippi. It provides noninterest and interest-bearing checking accounts, savings deposits, money market accounts, and time deposits; and offers commercial real estate, construction and land development, consumer, residential real estate, commercial and industrial, mortgage warehouse, and residential mortgage loans. The company offers personal and commercial property, and casualty insurance products; and internet banking and voice response information, mobile applications, cash management, business credit cards, overdraft protection, direct deposit, safe deposit boxes, automatic account transfers, peer-to-peer electronic pay solutions, and personal financial management solutions; and mobile and online banking, treasury management, mortgage origination and servicing facilities, commercial and consumer loans, and insurance services. The company was founded in 1991 and is headquartered in Ruston, Louisiana.