POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS, that the undersigned
does hereby constitute and appoint Clyde A. Billings,
Jr., John A. Niemoeller, and Shannon M. Hernandez
jointly and each of them severally, the undersigned's
true and lawful attorney-in-fact and agent, with full
power of substitution and resubstitution, for the undersigned
and in the undersigned's name, place and stead, in any and all
capacities, to:
(1)	execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of First
Horizon National Corporation (the "Corporation"), Forms 3,
4 and 5 and any and all amendments thereto in accordance with
Section 16(a) of the Securities Exchange Act of 1934, as amended
(the "Exchange Act"), and the rules thereunder; and
(2)	do and perform any and all acts on behalf of the undersigned
which may be necessary or desirable to complete and execute any such
Forms 3, 4 or 5 or an amendment thereto and timely file such form with
the Securities and Exchange Commission and any stock exchange or similar
authority; and
(3)	take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such attorney-in-fact, may
be of benefit to, in the best interest of, or legally required by, the
undersigned, it being understood that the documents being executed by
such attorney-in-fact on behalf of the undersigned pursuant to this Power
 of Attorney shall be in such form and shall contain such terms and conditions
as such attorney-in-fact may approve in such attorney-in-fact's discretion.
The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform any and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the
rights and powers herein granted, as fully to all intents and purposes as
the undersigned might or could do if personally present, hereby ratifying
and confirming all that such attorney-in-fact, or such attorney-in-fact's
substitute or substitutes, shall lawfully do or cause to be done by virtue
of this Power of Attorney and the rights and powers herein granted. The
undersigned acknowledges that the foregoing attorneys-in-fact, in serving
in such capacity at the request of the undersigned, are not assuming, nor
is the Corporation assuming, any of the undersigned's responsibilities to
comply with Section 16 of the Exchange Act.
This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to
the undersigned's holdings of and transactions in securities issued by the
Corporation, unless earlier revoked by the undersigned in a signed writing
delivered to the foregoing attorneys-in-fact.
IN WITNESS WHEREOF, the undersigned has executed this Power of Attorney as of
this 16th day of January, 2019.

Kenneth A. Burdick