POWER OF ATTORNEY

       Know all by these presents, that the undersigned hereby constitutes and
appoints each of Kerry S. Abbott, Walter D. Bay, Richard C. Cary, Seth Diehl
and April Hanes-Dowd her true and lawful attorney-in-fact to:

1. execute for and on behalf of the undersigned Forms?3, 4, and 5 in
accordance with Section?16(a) of the Securities Exchange Act of 1934 and the
rules thereunder;
2. do and perform any and all acts for and on behalf of the undersigned which
may be necessary or desirable to complete and execute any such Form?3, 4,
or 5, complete and execute any amendment or amendments thereto, and timely
file such form with the United States Securities and Exchange Commission and
any other 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 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 his or her 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, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his or her 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 any of the undersigned's responsibilities to
comply with Section?16 of the Securities Exchange Act of 1934.
       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
her holdings of and transactions in securities issued by
Arthur J. Gallagher & Co., unless earlier revoked by the undersigned in a
signed writing delivered to the foregoing attorneys-in-fact.

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be
executed as of this 21st day of July, 2011.

____/s/ Kay W. McCurdy___
        Signature

____ Kay W. McCurdy _____
        Print Name