Winthrop- Mrs. Susan S. (Stiles) Thomas of Winthrop passed away on Sunday, October 12, 2025, at Central Maine Medical Center after a brief illness. She is the loving wife of Eben B. "Ben" Thomas with whom she shared 69 years of marriage. She is the daughter of the late Dr. Sidney W. and Mrs. Laura Boynton Stiles, she graduated from Falmouth High School Class of 1952 and the University of Maine Orono, with honorary degrees in Phi Beta Kappa Pi and Sigma Mu Sigma receiving a BA in English in 1956 and her master's degree in education in 1961. She taught school in Falmouth for 2 years. In 1956 she married Ben Thomas in Falmouth and in 1958 they moved to Winthrop where Susan taught at Winthrop High School. In 1964 Susan and Ben founded the Thomas Agency Real Estate and the Thomas Insurance in 1982. Both have been in continuous operation, now owned by their son Eben A. Thomas. She was a realtor member of the first Maine graduating class of the Tri State Realtor Institute. In 1977 she was appointed by the Governor of Maine to the Real Estate Commission later serving as its chair. In 1978 she graduated from the National Association's Realtor Institute as a Certified Residential Specialist and qualified instructor in real estate practice and valuation, teaching those courses and others at the University of Maine Augusta. She was a 34 year member of the Maine Association of Realtors, past president of MAR, a recipient of the Realtor of the Year Award. She was also past National Director of the National Association of Realtors and received the Maine Association Life Award from MAR. Locally she was an active member of the Winthrop United Methodist Church, Winthrop Planning Board, a former chair of the Town Council, Trustee of the Charles M. Bailey library and served as a Trustee at Thomas College. In addition to her loved husband Ben, Susan is survived by her son Eben A. Thomas and his wife Nicole of Winthrop, her grandchildren Madelyn P. Thomas and Eben A. Thomas, II. Her sister Patricia Cuccaro ; her brother Dr. Norman S. Stiles of Cumberland Center. Susan's visitation will be in the Roberts Funeral Home, 62 Bowdoin Street, Winthrop on Friday, October 24, 2025, from 4-6 PM. Her burial will be in Riverside Cemetery in Yarmouth at a later date. In lieu of flowers donations in her memory may be made to the Winthrop United Methodist Church Scholarship Fund 58 Main Street, Winthrop, ME 04364 or Pals Animal Shelter, 188 Case Road, Winthrop, ME 04364 or the Kennebec Valley Humane Society, 168 Leighton Road, Augusta, ME 04330 or the Winthrop Historical Society, 107 Main Street, Winthrop, ME 04364. Arrangements and guidance are in the care of Roberts Funeral Home, 62 Bowdoin Street, Winthrop, Maine. Condolences, memories, and photos may be shared with the family on the obituary page of the Roberts Funeral Home website, www.khrfuneralhomes.com