Serna.

(a loanword from Spanish)

Headword: 
Serna.
Principal English Translation: 

a Spanish surname; e.g. Dr. don Juan Pérez de la Serna, archibishop of Mexico; he was a secular priest originally from Zamora in Spain

(central Mexico, 1613)
see Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 260–261.

Attestations from sources in English: 

no cenpo huallomome Japon tlaca omocuaatequique yn oncan teopan S. Franco. yehuatzin oncan oquinmocuaatequillico in teoyotica tlahtohuani arҫobispo. Mexico Don Juan Perez de la serna = another 22 Japanese were baptized at the church of San Francisco. The spiritual ruler the archbishop in Mexico, don Juan Pérez de la Serna, came to baptize them (central Mexico, 1614)
Annals of His Time: Don Domingo de San Antón Muñón Chimalpahin Quauhtlehuanitzin, James Lockhart, Susan Schroeder, and Doris Namala, eds. and transl. (Stanford: Stanford University Press, 2006), 278–9.