It is suggested here that Ian Suttie influenced W. R. D. Fairbairn directly through a 1939 reprint of his The Origins of Love and Hate, a heavily underlined copy of which was found by the author in Fairbairn's library in the University of Edinburgh Library Special Collections in October 2009. Underlined sections of the book are compared with significant aspects of Fairbairn's post-1940 theorizing, and the similarities are argued to be due to Fairbairn's adopting many of the underlying attitudes and ideas that Suttie developed. This leaves Fairbairn's structural theory, which he began to develop as a rational reconstruction of Freud's structural theory as early as 1927, dependent in part on such theory but independent of direct influence by Suttie. It is argued that Suttie's importance vis-à-vis British object relations thinking needs to be reassessed.