Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person ^*

Helen A. Dolan 2019 Grantor Retained Annuity Trust #1M

2. Date of Event Requiring Statement (MM/DD/YYYY) 12/23/2019

3. Issuer Name and Ticker or Trading Symbol

Madison Square Garden Co [MSG]

(Last) (First) (Middle)

C/O DOLAN FAMILY OFFICE, 340 CROSSWAYS PARK DRIVE

4. Relationship of Reporting Person(s) to Issuer (Check all applicable)

_____ Director _____ 10% Owner
_____ Officer (give title below) ___X___ Other (specify below)
/ Member of 13D Group

(Street)

WOODBURY, NY 11797

(City) (State) (Zip)

5. If Amendment, Date Original Filed(MM/DD/YYYY)

6. Individual or Joint/Group Filing(Check Applicable Line)

_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person

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)

*Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)*
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		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)
1. Title of Derivate Security (Instr. 4)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares	4. Conversion or Exercise Price of Derivative Security		6. Nature of Indirect Beneficial Ownership (Instr. 5)
Class B Common Stock	⁽¹⁾	⁽¹⁾	Class A Common Stock	56056	⁽¹⁾	D

Explanation of Responses:
(1)	The Madison Square Garden Company Class B Common Stock (the "Class B Common Stock") of the Issuer is convertible at the option of the holder on a share for share basis into The Madison Square Garden Company Class A Common Stock (the "Class A Common Stock") of the Issuer.

Remarks:
Exhibit List

Exhibit 24 - Power of Attorney

Reporting Owners
Reporting Owner Name / Address	Relationships
Reporting Owner Name / Address	Director	10% Owner	Officer	Other
Helen A. Dolan 2019 Grantor Retained Annuity Trust #1M C/O DOLAN FAMILY OFFICE 340 CROSSWAYS PARK DRIVE WOODBURY, NY 11797				Member of 13D Group

Signatures
HELEN A. DOLAN 2019 GRANTOR RETAINED ANNUITY TRUST #1M; By: /s/ Dennis H. Javer, as Attorney-in-Fact		12/31/2019
^**Signature of Reporting Person		Date