Sian O'Malley Hahn
As Trust Officer, Sian is responsible for the effective oversight of accounts where members of R.M. Davis [the Company] serve as Trustee in accordance with legal and regulatory requirements and internal policies and procedures. She works closely with internal and external parties, including Client Advisors/Trustees, beneficiaries, co-trustees, and legal and tax advisors, to ensure that trust assets are properly managed and distributed. Sian also supports members of the Company who administer accounts of deceased clients.
Sian was born in England, raised in Toronto, and moved to the United States in 1996. Currently, Sian resides in Cumberland with her husband and two children. She enjoys gardening, cooking, traveling, and spending time with her husband at their camp in Liberty.
Work Experience
- R.M. Davis, joined in 2026
- H.M. Payson, Trust Officer
- Leblanc & Young, Counsel
- Carter Ledyard & Milburn, LLP, Trust and Estates Department Associate
- Cummings & Lockwood, Summer Associate
- Grievance Committee for the Ninth Judicial District, Summer Intern
Education
- Pace University School of Law, Juris Doctor
- University of Toronto, Honors Bachelor of Arts, French Linguistics and Anthropology

