Unix command to find a file in a directory and subdirectory

Dec 21, 2017, 11:00 (1 Talkback[s])
(Other stories by Anonymous)

I think I lost (or forgot the file location) a file named toms-first-birthday.mp4 on my Unix based system. Is there is a Unix bash shell command to find a file called ???toms-first-birthday.mp4??? in a directory and subdirectories?