I	and
i. = ilegítimo	illegitimate
ictericia	jaundice
idioma	language
iglesia	church
Iglesia Católica	Catholic Church
ilegítimo (a)	illegitimate
ill. = ilegítimo	illegitimate
impedimento	impediment
imperio	empire
impuesto	tax
incógnito (a)	unknown
índice	index
indígena	indigenous, native, Indian
indigente	indigent
información matrimonial	papers relating to a marriage, including banns, declarations, baptismal records, consents, etc.
infrascrito (a)	undersigned
inglés (a)	English
inmigración	immigration
inmigrante	immigrant
inmoble	real estate
inmueble	real estate
ino. = indio	Indian
intendente	mayor
intestado (a)	intestate
intestinos	intestines
invierno	winter
italiano (a)	Italian