


                                                             EXHIBIT (a)-(3)

                       NOTICE OF GUARANTEED DELIVERY 
                               IN RESPECT OF 
               5 1/4% CONVERTIBLE SUBORDINATED NOTES DUE 2003 
                              (CUSIP 57777AAA) 
                                     OF 
                          ACXIOM/MAY & SPEH, INC. 
   
                     PURSUANT TO THE OFFER TO PURCHASE 
                           DATED OCTOBER 23, 1998
  
     THE OFFER WILL EXPIRE AT 5:00 P.M., NEW YORK CITY TIME, ON NOVEMBER 20,
     1998, UNLESS EXTENDED (SUCH DATE, AS THE SAME MAY BE EXTENDED, THE
     "EXPIRATION DATE").  TENDERS OF NOTES MAY BE WITHDRAWN AT ANY TIME PRIOR
     TO THE EXPIRATION DATE.
                      
      Capitalized terms used but not defined herein have the meanings given
 them in the Offer to Purchase, dated October 23, 1998 (the "Offer to
 Purchase"). 
  
      This Notice of Guaranteed Delivery may be used to cause a tender of 5-
 1/4% Convertible Subordinated Notes due 2003 of Acxiom/May & Speh, Inc.
 (the "Notes") by (i) a record holder of Notes if certificates for the notes
 are not immediately available or time will not permit all required
 documents to reach the Paying Agent on or prior to the Expiration Date or
 (ii) by a DTC Participant if the procedures for book-entry transfer
 described in the Offer to Purchase cannot be completed on a timely basis. 
  
                       The Paying Agent for the Offer is: 
  
                         HARRIS TRUST AND SAVINGS BANK

 By Hand Delivery or           Facsimile             By Registered or
 Overnight Delivery:           Transmissions:        Certified Mail: 
 c/o Harris Trust              (Eligible             c/o Harris Trust
 Company of New York           Institutions Only)    Company of  
 88 Pine Street, 19th          (212) 701-7636        New York 
 Floor                         Confirm by            Wall Street Station 
 New York, New York            Telephone:            Post Office Box 1023 
 10005                         (212) 701-7624        New York, New York 
 Attn: Reorganization Dept.                          10268-1023 
 
                          For information contact: 
  
                          ACXIOM/MAY & SPEH, INC. 
                       Attention: Eric Loughmiller 
                             1501 Opus Place 
                     Downers Grove, Illinois  60515 
                             (630) 964-1501 

 DELIVERY OF THIS NOTICE OF GUARANTEED DELIVERY TO AN ADDRESS, OR
 TRANSMISSION VIA FACSIMILE, OTHER THAN AS SET FORTH ABOVE WILL NOT
 CONSTITUTE VALID DELIVERY. 
  
 Ladies and Gentlemen: 
  
      By execution hereof, the undersigned acknowledges receipt of the Offer
 to Purchase and the Letter of Transmittal. 
  
      On the terms and subject to the conditions of the Offer to Purchase
 and the Letter of Transmittal, the undersigned hereby represents that it is
 the holder of the Notes (or the holder of interests in the Global Note)
 being tendered (or caused to be tendered) hereby and is entitled to tender
 (or cause to be tendered) such Notes as contemplated by the Offer and,
 pursuant to the guaranteed delivery procedures described in the Offer to
 Purchase and Letter of Transmittal, hereby tenders (or causes a tender) to
 May & Speh of the aggregate principal amount of Notes indicated below. 
  
      Except as stated in the Offer to Purchase, all authority herein
 conferred or agreed to be conferred shall survive the death or incapacity
 of the undersigned, and any obligation of the undersigned hereunder shall
 be binding upon the heirs, personal representatives, successors and assigns
 of the undersigned. 

  

 
                          PLEASE SIGN AND COMPLETE 
  
  
 Signature(s) of Registered Holder(s) or 
 Authorized Signatory: . . . . . . . . . . . Date: . . . . . . . . . . . . . .
  
 . . . . . . . . . . . . . . . . . . . . . . Address:    . . . . . . . . . . .
  
 Name(s) of Registered Holder(s):. . . . . . Area Code and Telephone No. . . .
  
 . . . . . . . . . . . . . . . . . . . . . . If Notes will be delivered
                                             by The Depository Trust Company
 . . . . . . . . . . . . . . . . . . . . . . 
                                             Depository Account No. . . . . . 
 Principal Amount of Notes Tendered:   . . .  
  
 . . . . . . . . . . . . . . . . . . . . . . 
  
 Certificate No.(s) of Notes 
 (if available) . . . . . . . . . . . . . . . 
  
  
   
  
      A record holder must execute this Notice of Guaranteed Delivery
 exactly as its name appears on its Notes and a DTC Participant must execute
 this Notice of Guaranteed Delivery exactly as its name is registered with
 DTC.  If signature is by a trustee, executor, administrator, guardian,
 attorney-in-fact, agent, officer of a corporation or other person acting in
 a fiduciary or representative capacity, such person must provide the
 following information: 
  
                    PLEASE PRINT NAME(S) AND ADDRESS(ES) 
  
 Name(s):    . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
 Capacity:   . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
 Address(es):    . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  
  
  
 DO NOT SEND NOTES WITH THIS FORM.  NOTES SHOULD BE SENT TO THE PAYING AGENT
 TOGETHER WITH A PROPERLY COMPLETED AND DULY EXECUTED LETTER OF TRANSMITTAL. 


  
                                 GUARANTEE 
  
                  (NOT TO BE USED FOR SIGNATURE GUARANTEE) 
  
           The undersigned, a member of a registered national securities
 exchange or of the National Association of Securities Dealers, Inc., or a
 commercial bank or trust company having an office or correspondent in the
 United States or another "Eligible Guarantor Institution" as defined in
 Rule 17Ad-15 under the Securities Exchange Act of 1934, as amended, hereby
 guarantees that, within three New York Stock Exchange trading days from the
 date of receipt by the Paying Agent of this Notice of Guaranteed Delivery,
 a properly completed and validly executed Letter of Transmittal (or a
 facsimile thereof), together with Notes tendered hereby in proper form for
 transfer, (or confirmation of the book-entry transfer of such Notes into
 the Paying Agent's account at the Depositary Trust Company, pursuant to the
 procedures for book-entry transfer set forth under "Procedure for Tendering
 Notes" in the Offer to Purchase) and all other required documents will be
 delivered by the undersigned to the Paying Agent. 
   
      Name of Firm:                                      
   
      Authorized Signature:                                        
  
      Title:                                                  
  
      Address:                                           
  
                                                         
                               (Zip Code) 
   
      Area Code and Telephone Number:                              
  
      The institution which completes this form must deliver to the Paying
 Agent the guarantee, the Letter of Transmittal (or facsimile thereof) and
 certificates for Notes within the time periods specified herein.  Failure
 to do so could result in a financial loss to such institution. 

