FAQ: What is a Decedent? Share on Twitter Like on Facebook Share on LinkedIn Google Plus One Definition of DECEDENT: (noun) / a deceased person Used mainly in law, a decedent is used to refer to a person who has died. For example, ” The decedent was domiciled in the Bronx and was survived by three heirs.” ANTONELLI & ANTONELLI – New York City Probate Attorneys and Estate Attorneys serving Manhattan, Brooklyn, Queens, Staten Island, and the Bronx. For more information about our services please visit our Probate page or learn more About Us. *Disclaimer: The above information is NOT legal advice and is for educational purposes only. You should always consult with an attorney directly to discuss the specific details of your case.