• birth year

From birth +‎ year.

• Audio (Southern England):

  (file)

birthyear (plural birthyears)

1. The year in which one was born; year of (one's) birth.

   Synonym: year of birth

   • 1995, Buck Clayton, Nancy Miller Elliott, Buck Clayton's Jazz World:

     Then one day Professor Michael Griffel, who had been elected to the chairmanship of music at Hunter, called me in his office and regretfully told me that someone who had been checking the files for some reason had noticed that my birthyear was 1911, which made me two years over the age limit to be a professor at Hunter.

   • 2006, Iris Vorel, Ad Astra:

     "[...] I can't have a reading. I don't know my birthyear. Simply, simply, simply don't remember my birthyear."

• birthday
• birthdate