She returned to Ireland to live permanently in 1932, at the age of 64, following the death of her husband, Richard. Initially upon moving back to Ireland, she lived for a few years with her sister in Bray, County Wicklow. Brayton then moved to Waterloo Avenue, North Strand, County Dublin. Here, she witnessed the bombing of the North Strand on 31 May 1941 during World War II. Shortly after the bombing, she eventually settled back in Kilbrook, County Kildare where she was born, and she lived there for the rest of her life. She spent a brief period of time in the Edenderry Hospital before her death. During her stay there she became a good friends with Padraig O'Kennedy, the "Leinster Leader", who was able to reveal to her something that was linked to a family member of his. A copy of her Old Bog Road which had been set to music and autographed by her while she was living in the United States. She had it sent to Mr. O'Kennedy's eldest son and on it she wrote the words: "To the boy who sings the Old Bog Road so sweetly". Two years after her return to Kilbrook, on 19 August 1943, Teresa died in the same room where her mother had given birth to her over 75 years previously. Brayton was buried at the Cloncurry cemetery in County Kildare. Her funeral was attended by many, including the then Taoiseach, Eamonn De Valera.
