MARYLAND NATIONAL <MDNT> SEES NEW NAME Maryland National Corp, the parent of Maryland National Bank which earlier this month merged with American Security Bank, said its shareholders will vote on a new name for the regional bank holding company at its April 29 annual meeting. It said MNC Financial Inc is the proposed new name for the parent company. The banks merged on March 16, and have combined assets of about 14 billion dlrs. Maryland said the new name only will be used for the parent and it does not plan to change the names of Maryland National Bank, American Security Bank or non-bank affiliates.