Character 燕 - 多音字

[bryce1 10]

大家好,

I am wondering about the pronunciation of the character 燕. My dictionary gives this as yan1 and yan4. As a surname, I know that it is read yan1, but how about as a given name? I am assuming it is read yan4, but am not sure.

Example: 董燕妮 (a singer's name I came across when listening to music)

Usually I can look it up on Wikipedia, but this one is not popular enough!

Would a 燕 in someone's given name (almost) always be read in the same way or would it depend on the person?

Thank you in advance for your help!

[Hofmann 682]

燕 yan1 is a state name, which is the surname. In given names, it is more likely that they were thinking about the swallow 燕 yan4.

[bryce1 10]

Thanks for the confirmation, Hofmann!