Exhibit 31.1

CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO SECTION 302

OF THE SARBANES-OXLEY ACT OF 2002

I, Laurence Penn, certify that:

1. I have reviewed this Amendment No. 1 to the Annual Report on Form 10-K of Ellington Residential Mortgage REIT for the year ended December 31, 2023; and

2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.

Date:	April 12, 2024
		/s/ Laurence Penn
		Laurence Penn
		Chief Executive Officer (Principal Executive Officer)