Some comments on Usher Beere Eaton c1839 - c1901
These may help -
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The Medical Directory 1880 list UBE as "MD QUI 1860"
Queens University of Ireland was active from 1850 to 1880
So UBE obtaining a degree in medicine certainly fits in.
The same directory lists him as LRCSI 1861
Or a Licentiate of the Royal College of Surgeons of Ireland
The Freemans Journal in October 1860 refers to UBE as a Medical Doctor of Cork