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EXHIBIT 23.1
CONSENT OF INDEPENDENT AUDITORS
We consent to the incorporation by reference in the Registration Statement
(Form S-8) and related Prospectuses pertaining to the 1988 Incentive Stock
Option Plan, the 1988 Nonqualified Stock Option Plan and the 1989 Non-Employee
Directors' Stock Option Plan, of Arthur J. Gallagher & Co. of our reports dated
January 20, 2000 with respect to the consolidated financial statements of
Arthur J. Gallagher & Co. included in its Annual Report on Form 10-K for the
year ended December 31, 1999 and the related financial statement schedule
included therein, filed with the Securities and Exchange Commission.
/s/ Ernst & Young LLP
_____________________________________
Ernst & Young LLP
Chicago, Illinois
June 23, 2000