Exhibit 24.2

POWER OF ATTORNEY

     The registrant and each of the several directors of F.N.B. Corporation (the “Corporation”) whose signature appears below constitutes and appoints Stephen J. Gurgovits and Brian F. Lilly and each of them acting alone, his true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, in the name, place and stead of the registrant and each of the undersigned in any and all capacities, to sign and file (i) any and all amendments (including post-effective amendments) to this registration statement, with all exhibits thereto, and other documents in connection therewith, and (ii) this registration statement, and any and all amendments thereto, relating to the offering covered hereby filed pursuant to Rule 462(b) under the Securities Act of 1933, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, full power authority to do and perform each and every act and thing requisite or necessary to be done in and about the premises, as fully to all intents and purposes as the registrant or any of the undersigned might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or their substitute or substitutes, may lawfully do or cause to be done by virtue hereof.

     IN WITNESS WHEREOF, each of the undersigned directors of the Corporation has hereunto set his hand as of the date indicated below. This Power of Attorney may be executed in counterparts which, when taken together, shall constitute a single original thereof.

/s/ Peter Mortensen	Chairman of the Board	March 22, 2005
Peter Mortensen
/s/ Stephen J. Gurgovits Stephen J. Gurgovits	Director, President and Chief Executive Officer	March 22, 2005
/s/ William B. Campbell	Director	March 22, 2005
William B. Campbell
/s/ Henry M. Ekker	Director	March 18, 2005
Henry M. Ekker
/s/ Harry F. Radcliffe	Director	March 18, 2005
Harry F. Radcliffe
/s/ William J. Strimbu	Director	March 18, 2005
William J. Strimbu
/s/ Earl K. Wahl, Jr.	Director	March 18, 2005
Earl K. Wahl, Jr.
/s/ Archie O. Wallace	Director	March 18, 2005
Archie O. Wallace
/s/ Robert B. Goldstein	Director	March 18, 2005
Robert B. Goldstein
/s/ John W. Rose	Director	March 18, 2005
John W. Rose
/s/ David J. Malone	Director	March 18, 2005
David J. Malone