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 *   GALLAGHER THOMAS JOSEPH 2. Date of Event Requiring Statement (Month/Day/Year) 10/23/2013 3. Issuer Name and Ticker or Trading Symbol GALLAGHER ARTHUR J & CO [AJG] (Last) (First) (Middle) TWO PIERCE PLACE 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) VICE PRESIDENT 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) ITASCA, IL 60143 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 111,714 D   Common Stock 85,875 I Age 62 Plan (1) Common Stock 8,534 I By children (2) Common Stock 92,890 I By grantor retained annuity trust Common Stock 31,671 I By wife Common Stock 55,280 I By wife as trustee (3) (4) Common Stock (restricted) 10,580 D Â

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
Non-qualified Stock Option	  (5)	04/01/2014	Common Stock	1,502	$ 33.28	D	Â
Non-qualified Stock Option	  (5)	07/22/2014	Common Stock	30,000	$ 29.42	D	Â
Non-qualified Stock Option	  (5)	07/21/2015	Common Stock	25,000	$ 27.25	D	Â
Non-qualified Stock Option	  (6)	03/02/2017	Common Stock	8,276	$ 24.13	D	Â
Non-qualified Stock Option	  (6)	05/15/2017	Common Stock	2,917	$ 28.65	D	Â
Non-qualified Stock Option	  (6)	03/05/2018	Common Stock	3,552	$ 23.76	D	Â
Non-qualified Stock Option	  (6)	03/08/2018	Common Stock	11,500	$ 30.95	D	Â
Non-qualified Stock Option	  (7)	03/16/2019	Common Stock	15,200	$ 35.71	D	Â
Non-qualified Stock Option	  (7)	03/13/2020	Common Stock	21,300	$ 39.17	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
GALLAGHER THOMAS JOSEPH TWO PIERCE PLACE ITASCA, IL 60143	Â	Â	  VICE PRESIDENT	Â

Signatures

/s/ Seth Diehl, by power of attorney		10/30/2013
**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).
(1)	The Age 62 Plan is a nonqualified deferred compensation plan of the Company. Under the plan, awards that are deemed invested in Company common stock must be settled in shares of Company common stock and are disclosed on this report. Participants do not vest in awards until they attain age 62, and do not have investment or voting control with respect to the investment vehicles in which their awards are deemed invested.
(2)	These shares are held by the reporting person's son and daughter sharing his household.
(3)	The reporting person disclaims beneficial ownership of these shares, and this report shall not be deemed an admission that the reporting person is the beneficial owner of these shares for purposes of Section 16 or for any other purpose.
(4)	These shares are held in trusts, for the benefit of the reporting person's children, of which his wife is a trustee.
(5)	The stock option becomes exercisable 10% each year, commencing January 1 after the date of grant.
(6)	The stock option becomes exercisable 20% each year on the anniversary of the grant date.
(7)	One-third of this stock option becomes exerciseable on each of the 3rd, 4th, and 5th anniversaries of the grant date.

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