UNITED STATES SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, D.C. 20549
FORM 4
STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP
( ) Check this box if no longer subject to Section 16.
Form 4 or Form 5 obligations may continue. See Instructions 1(b).
1. Name and Address of Reporting Person
   Kirby, Jr., Allan P.
   14 East Main Street
   P.O. Box 90
   Mendham, NJ  07945
   USA
2. Issuer Name and Ticker or Trading Symbol
   Alleghany Corporation
   Y
3. IRS or Social Security Number of Reporting Person (Voluntary)

4. Statement for Month/Day/Year
   05/02/03
5. If Amendment, Date of Original (Month/Day/Year)

6. Relationship of Reporting Person(s) to Issuer (Check all applicable)
   (X) Director ( ) 10% Owner ( ) Officer (give title below) ( ) Other
   (specify below)

7. Individual or Joint/Group Filing (Check Applicable Line)
   (X) Form filed by One Reporting Person
   ( ) Form filed by More than One Reporting Person


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 Table I -- Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned                                                 |
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1. Title of Security|2.    |2A.   |3.    |4.Securities Acquired (A)         |5.Amount of        |6.Dir |7.Nature of Indirect       |
                    |Trans-|Exec- |Trans |  or Disposed of (D)              |  Securities       |ect   |  Beneficial Ownership     |
                    |action|ution |action|                                  |  Beneficially     |(D)or |                           |
                    |      |      |    | |                  | A/|           |  Owned Following  |Indir |                           |
                    |Date  | Date |Code|V|    Amount        | D |    Price  |  Reported Trans(s)|ect(I)|                           |
___________________________________________________________________________________________________________________________________|
                                                                         
Common Stock        |05/02/|      |S(1)| |4,377             |D  |$169.9392  |219,988            |D     |                           |
                    |03    |      |    | |                  |   |           |                   |      |                           |
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Common Stock        |05/02/|      |S(1)| |6,113             |D  |$169.9392  |305,655            |I     |(2)                        |
                    |03    |      |    | |                  |   |           |                   |      |                           |
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 Table II -- Derivative Securitites Acquired, Disposed of, or Beneficially Owned                                                   |
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1.Title of   |2.Con-  |3.     |3A.   |4.    |5.Number of De |6.Date Exer|7.Title and Amount  |8.Price|9.Number    |10.|11.Nature of|
  Derivative |version |Trans- |Deemed|Trans-| rivative Secu |cisable and|  of Underlying     |of Deri|of Deriva   |Dir|Indirect    |
  Security   |or Exer |action |      |action| rities Acqui  |Expiration |  Securities        |vative |tive        |ect|Beneficial  |
             |cise    |       |Execu-|      | red(A) or Dis |Date(Month/|                    |Secu   |Securities  |(D)|Ownership   |
             |Price of|       |ution |      | posed of(D)   |Day/Year)  |                    |rity   |Benefi      |or |            |
             |Deriva- |       |      |      |               |Date |Expir|                    |       |ficially    |Ind|            |
             |tive    |       |      |      |           | A/|Exer-|ation|   Title and Number |       |Owned Follow|ire|            |
             |Secu-   |(Month/|(Month|    | |           | D |cisa-|Date |   of Shares        |       |ing Reported|ct |            |
             |rity    |Day/   |/Day/ |Code|V|  Amount   |   |ble  |     |                    |       |Trans-      |(I)|            |
             |        |Year)  |Year) |    | |           |   |     |     |                    |       |action(s)   |   |            |
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             |        |       |      |    | |           |   |     |     |            |       |       |            |   |            |
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Explanation of Responses:
(1) Open market sale of shares received from Alleghany Corporation as a stock
dividend in April 2003.  Pursuant to arrangements made by Alleghany,
stockholders who wished to sell the shares
paid to them as a stock dividend instructed the dividend disbursing agent to do
so, and such stockholders received the average sales price per share resulting
from the sale of all such shares.
(2) By Allan P. Kirby, Jr. as co-trustee and
beneficiary.
SIGNATURE OF REPORTING PERSON
Allan P. Kirby, Jr.
Christopher K. Dalrymple, Attorney-in-Fact
DATE
May 2, 2003