All around the world, María Juana (Mary Jane 
, María Juana 
) is a widespread female first name. The forename María Juana is characteristic of Philippines, where it is a common girly name, Guam, where it is a common gender-neutral name, and Reunion, where it is quite a common feminine name. Measured by absolute frequency, it is commonest in Philippines, the United States, and Saudi Arabia.
| VARIANT | COUNTRY |
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| Mary Jane | Saudi Arabia, Philippines, United Arab Emirates, Indonesia, United States |
| María Juana | Peru, Mexico, Spain, Equatorial Guinea |
Maria João, Marie-Jeanne, and Marijuana
| maría juana aguirre zubeldia 1727-02-21, ES (b. 1727) |
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| maría juana zelaya zeberio 1735-01-06, ES (b. 1735) |
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| maría juana yrazuzta zubeldia 1738-06-30, ES (b. 1738) |
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| maría juana garmendia yztueta 1739-10-14, ES (b. 1739) |
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| maría juana aldavalde yriarte 1741-04-16, ES (b. 1741) |
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| maría juana zubeldia zavala 1741-02-16, ES (b. 1741) |
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| maría juana zubeldia bidaurre 1744-06-22, ES (b. 1744) |
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| maría juana mendizabal toledo 1747-10-22, ES (b. 1747) |
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| maría juana garmendia aranburu 1750-04-21, ES (b. 1750) |
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| maría juana zuriarrayn yrazuzta 1753-07-14, ES (b. 1753) |
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| maría juana zuriarrayn zubeldia 1755-07-23, ES (b. 1755) |
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| maría juana altuna garmendía 1804-07-08, ES (b. 1804) |
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| maría juana yrazuzta elicegui 1863-01-05, ES (b. 1863) |
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