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Cognomen Eustakia (Eustakia
) , worldwide, is an extremely rare last name. The last name Eustakia is habitual in Latin America and the Caribbean, particularly Nicaragua, where it is a very rare surname, and Mexico, where it is an extremely rare surname. Much more prevalently, Eustakia is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Eustakia | Spain, Tanzania, Mexico, Indonesia, Peru |
Eustacchia, Eustachia, Eustacia, Eustaquia, and Eustochia
Ata, Baha, Lopez, Tarimo, Ngabala, Hamuchenje, Arbogasti, Habichuela, and Fernandez