He was elected as Member of Parliament for Bristol North at the 1945 general election. When that constituency was abolished in boundary changes for the 1950 general election, he was returned to Parliament for the new Bristol North East constituency. He was defeated at the 1959 general election by the Conservative and National Liberal candidate Alan Hopkins.
He was Chairman of the Co-operative Party from 1945 to 1955 and was Sheriff of Bristol in 1964. He was briefly in prison during the General Strike of 1926 with Arthur Jenkins, the father of Roy Jenkins. He died in 1975 aged 81.
|Parliament of the United Kingdom|
Robert Hamilton Bernays
| Member of Parliament for Bristol North
|New constituency|| Member of Parliament for Bristol North East
|Party political offices|
| Chair of the Co-operative Party