Sentence:  Now, I don't know whether this is an example of nominative determinism – a phrase coined by the New Scientist to describe the phenomenon of one's name determining one's career – or <WSD>aptonymy</WSD>, the more coincidental occurrence of one's name being particularly fitting for one's personality, but I came across several such examples in the birding world. 
Meaning of the word marked with <WSD> tags:  The state of being an aptonym.