Published on February 14, 2008
Exhibit
23.1
Consent
of Independent Registered Public Accounting Firm
We
consent to the incorporation by reference in the Registration Statements
on Form
S-3 Nos. 333-76868, 333-121366 and 333-146819 of MFA Mortgage Investments,
Inc.
and in the related Prospectus, and in the Registration Statements on Form
S-8
Nos. 333-39772, 333-67758 and 333-121365 pertaining to the 2004 Equity
Compensation Plan of MFA Mortgage Investments, Inc., of our reports dated
February 12, 2008, with respect to the consolidated financial statements
of MFA
Mortgage Investments, Inc. and the effectiveness of internal control over
financial reporting of MFA Mortgage Investments, Inc., included in this Annual
Report (Form 10-K) for the year ended December 31, 2007.
/s/
ERNST
& YOUNG LLP
New
York,
New York
February
12, 2008
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