Any 1099-R income after the date of death belongs to the named benificuary of the retirement account or the estate if there was no named benificuary. The 1099-R paid in 2018 should have a box 7 code indicating that the payment is inherited and the beneficiary SSN on the 1099-R.
**Disclaimer: This post is for discussion purposes only and is NOT tax advice. The author takes no responsibility for the accuracy of any information in this post.**
