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 *   Gurholt Helen E 2. Date of Event Requiring Statement (Month/Day/Year) 05/01/2019 3. Issuer Name and Ticker or Trading Symbol SMITH A O CORP [AOS] (Last) (First) (Middle) A. O. SMITH CORPORATION, 11270 WEST PARK 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 and Controller 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) MILWAUKEE, WI 53224 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 1,084 D   Common Stock 308.7954 (1) I 401(K) Plan Trust

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
Employee Stock Options (Right to Buy)	  (2)	  (2)	Common Stock	9,810	$ 0	D	Â
Restricted Stock Units	  (3)	  (3)	Common Stock	930	$ 0	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Gurholt Helen E A. O. SMITH CORPORATION 11270 WEST PARK PLACE MILWAUKEE, WI 53224	Â	Â	  Vice President and Controller	Â

Signatures

James F. Stern, Attorney-in-Fact for Helen E. Gurholt		05/02/2019
**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 number of underlying securities is based on the stock fund balance of April 29, 2019. The actual number of shares issuable upon the distribution date is not determinable since the stock fund is a unitized account consisting of 97.82% company stock and 2.18% money market fund. The stock account balance reflected in this report is based on an April 29, 2019, stock fund price of $203.423235 per share.
(2)	Employee stock options were granted under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3: 1,400 stock options were granted on 07/22/2013; 1,330 stock options were granted on 02/10/2014; 1,280 stock options were granted on 02/09/2015; 1,900 stock options were granted on 02/09/2015; 1,900 stock options were granted on 02/08/2016; 1,265 stock options were granted on 02/13/2017; 1,110 stock options were granted on 02/12/2018 and 1,525 stock options were granted on 02/11/2019. All stock options become exercisable in three annual installments of 1/3 of the award starting one year after the grant date . All employee stock options expire ten years after the date of the award.
(3)	Restricted stock units were granted under the A. O. Smith Combined Incentive Compensation Plan, a transaction exempt under Rule 16b-3: 330 restricted stock units were granted on 02/13/2017; 265 restricted stock units were granted on 02/12/2018; and 335 restricted stock units were granted on 02/11/2019. The restricted stock units become payable in Common Stock on the vesting date, which is three years after the grant date.

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