1 Exhibit 23 (b) Consent of Deloitte & Touche LLP 2 INDEPENDENT AUDITORS' CONSENT Emerald Financial Corp. We consent to incorporation by reference in the registration statements Nos. 333-27373, 333-27731, and 333-51389 on Form S-8 and No. 333-53407 on Form S-3 of Emerald Financial Corp. of our report dated January 25, 1997, incorporated by reference in this Annual Report on Form 10-K of Emerald Financial Corp. for the year ended December 31, 1998. /s/ Deloitte & Touche LLP Cleveland, Ohio March 29, 1999