A portrait by her of Solomons, which had once belonged to Kathleen Goodfellow, is in the Model Niland collection in Sligo.
[1] Some of her work is also in the Solomons archive held by the library of Trinity College Dublin.
They lived in Howth and had several children one of whom, Ruth Margaret (1911–33), known as Peggy, was one of two women who are both identified as having been Samuel Beckett's 'first love', the other being poet and medical doctor Ethna McCarthy.
[3] The Sinclairs' business interests suffered under the Nazi persecution of the Jews in Germany and they returned to Ireland.
Cissie Beckett found family life encroached on her artistic activities.