Answer by
LeheckaG (1826)
Contact Bureau of the Public Debt, U.S. Department of the Treaasury (TreasuryDirect.Gov)
to update your (Form PD F 4000) registration, or re-issue your Savings-Bonds.
Name-changes due to either:
marriage or a small spelling or typographical error,
usually do NOT require re-issuance;
Simply sign BOTH names when you redeem your Savings-Bond(s).