In some cultures namespace clash happens all the time, being based in Asia, I find that most frequently with Korea and Indonesia but of course it can happen anywhere.
In the company I work for, there are multiple people with the same name, including 2 in the same department which makes things fun.
Slightly related, I regularly reread this link to remind myself to not make assumptions when it comes to names. Falsehoods Programmers Believe About Names | Kalzumeus Software
