Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  McDougall Marion L
 2. Date of Event Requiring Statement (Month/Day/Year)
01/21/2008		 3. Issuer Name and Ticker or Trading Symbol
FIRST HORIZON NATIONAL CORP [FHN]
(Last)
(First)
(Middle)
FIRST HORIZON NATIONAL CORPORATION, 165 MADISON AVENUE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
EVP Enterprise Ops and Tech
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

MEMPHIS, TN 38103		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 6,835
D
 
Common Stock 1,167
I
401(k)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Stock Options (Right to buy) 07/02/2001 01/02/2021 Common Stock 1,458 $ 22.53 (1) D  
Stock Options (Right to buy) 08/17/2004 02/17/2014 Common Stock 2,186 $ 22.87 D  
Stock Options (Right to buy) 03/03/2000 10/19/2009 Common Stock 3,056 $ 28.63 D  
Stock Options (Right to buy) 03/02/2001 02/23/2011 Common Stock 4,183 $ 30.48 D  
Stock Options (Right to buy) 02/23/2005(2) 02/23/2011 Common Stock 6,492 $ 30.48 D  
Stock Options (Right to buy) 08/26/2002 02/26/2012 Common Stock 7,897 $ 35.14 D  
Stock Options (Right to buy) 02/26/2005(3) 02/26/2009 Common Stock 5,800 $ 35.14 D  
Stock Options (Right to buy) 03/03/2006(3) 03/03/2010 Common Stock 5,418 $ 38.74 D  
Stock Options (Right to buy) 04/20/2010(3) 04/20/2014 Common Stock 3,375 $ 39.66 D  
Stock Options (Right to buy) 04/20/2003(4) 04/20/2009 Common Stock 3,159 $ 40.13 D  
Stock Options (Right to buy) 04/22/2008(3) 04/22/2012 Common Stock 3,375 $ 40.34 D  
Stock Options (Right to buy) 04/21/2009(3) 04/21/2013 Common Stock 2,457 $ 40.71 D  
Stock Options (Right to buy) 02/17/2007(4) 02/17/2011 Common Stock 4,705 $ 45.73 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
McDougall Marion L
FIRST HORIZON NATIONAL CORPORATION
165 MADISON AVENUE
MEMPHIS, TN 38103		       EVP Enterprise Ops and Tech  

Signatures

Clyde A. Billings, Jr., attorney-in-fact 01/22/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(3) Options are exercisable 50% after 3 yrs, 100% after 4 yrs.
(2) Options are exercisable 50% after 4 yrs, 100% after 5 yrs, with vesting accelerated if performance criteria (issuer stock price equals or exceeds $41.69 on 2/23/04 or on 5 consecutive days before 2/24/04) are met. Criteria were met and options vested on 4/25/03.
(1) Option granted in lieu of compensation. Exercise price = 80% of grant date FMV. 20% discount = amount of compensation deferred.
(4) Options are exercisable 50% after 4 yrs, 100% after 5 yrs.

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