The original intention was to call her Tarshish .
A decision was taken to name her after Joseph Hertz 1872 -- 1946 , Chief Rabbi of the British Commonwealth 1913 -- 1946 .
The original intention was to call her Tarshish , but a decision was taken to name her after Joseph Hertz 1872 -- 1946 , Chief Rabbi of the British Commonwealth 1913 -- 1946 .