I said previously that Henry Carey seem to have become captain of the
gentleman pensioner in 1564, should you look into the dictionary of national
biography it will tell you so. However a few thing came to make me think that
perhaps he was appointed several years earlier. Should you look at wikipedia it
tell you that appointement came straight ahead in 1558.
Should you wonder what exactly that entail for Henry Carey, it
essentially made him bodyguard to the queen among a group of other gentleman
with that duty. The website
of the yeoman of the guard does seem to confirm this (I half expect that
its the source of the one of wikipedia), but I'M still not sure of the
reability.
Two book that does seem to
mention him being captain in 1558 is Beatson's Political index modernised. The
book of dignities; containing rolls of the official personages of the British
empire, together with the sovereigns of Europe, the peerage of England and of
Great Britain; and numerous other lists at page210 and Some Accounts of the
Ancient Corps of Gentlemen-at-Arms at page 260
As for why people seem to think have took place in 6 years or so after
this date I'm not sure. I suspect it might come from the source that say that
Hunsdon was captain of the pensionner when the Queen visited Cambridge (he got
his MA there the same year remember), look at the page 60 of the previous book
for the source and that he was never really refer to as captain previously in
most source , but even there its just me speculating.
Elizabeth seem to have appreciate his service has bodyguard, if you consider she put him in charge of her personal safety during the invicible armada episode.