Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
MORRISSEY RAYMOND J
  2. Issuer Name and Ticker or Trading Symbol
UNITIL CORP [UTL]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Vice President
(Last)
(First)
(Middle)
6 LIBERTY LANE WEST
3. Date of Earliest Transaction (Month/Day/Year)
04/29/2005
(Street)

HAMPTON, NH 03842
4. If Amendment, Date Original Filed(Month/Day/Year)
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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, no par value. 04/29/2005   J(1)   125 A $ 26 0 D  
Common Stock, no par value. 05/12/2005   J(2)   125 A $ 27 3,222.074 D  
Common Stock, no par value. 03/31/2005   J(3)   114.198 A $ 29.885 5,450.911 I (4) Held in trust.

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
MORRISSEY RAYMOND J
6 LIBERTY LANE WEST
HAMPTON, NH 03842
      Vice President  

Signatures

 /s/ Raymond J. Morrissey   05/13/2005
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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) Shares granted pursuant to the Unitil Corporation Restricted Stock Plan on April 29, 2004. Shares represent 25% of total grant and vested on April 29, 2005. The terms of the Unitil Corporation Restricted Stock Plan specify valuation at time of vesting. Vested shares are unrestricted and fully transferable by owner. Total direct ownership remains the same as total reported on Form 4 filed March 14, 2005
(2) Shares granted pursuant to the Unitil Corporation Restricted Stock Plan on May 12, 2003. Shares represent 25% of total grant and vested on May 12, 2005. The terms of the Unitil Corporation Restricted Stock Plan specify valuation at time of vesting. Vested shares are unrestricted and fully transferable by owner. Total direct ownership remains the same as total reported on Form 4 filed March 14, 2005
(3) Shares were purchased between January 1 - March, 31, 2005 at an average price of $26.885 under the terms and conditions of the Unitil Corporation Tax Deferred Savings and Investment Plan.
(4) Shares are held in trust under the terms of the Unitil Corporation Tax Deferred Savings and Investment Plan.

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