I can remember only ever seeing R.I.P. on a headstone – this is the first which registered on my brain with an additional letter. I trust it stands for Rest in Peace. Amen. – but to see it carved in stone was new for me.
The second was the use of the word ‘Alias’ which I had filed away (incorrectly as I now know) as an assumed and additional name to one’s given name. ‘Née’ was what I would have expected where the name changed upon marriage.
Chambers Dictionary confirmed that it can also relate to a previous name and that it derives from a Latin word meaning ‘at another time’. Collins Dictionary agrees.
I suspect my flawed understanding was probably influenced by my childhood television viewing which included ‘Alias Smith & Jones’.