Nouns and names use a basic word, to which is added an ending. E.g.
Robertus nominative form a masculine name or noun, ending in us Robert is the subject, as in "Robert was buried". Roberti genitive form a masculine name or noun, ending in i something belonging to Robert, as in, "Child of Robert". Roberto ablative form a masculine name or noun, ending in o from or by Robert, as in "Declaration by Robert". Maria nominative form a feminine name or noun, ending in a Mary is the subject, as in "Mary was buried". Mariae genitive form a feminine name or noun, ending in ae something belonging to Mary, as in, "Child of Mary". Maria ablative form a feminine name or noun, ending in a from or by Mary, as in "Affidavit from Mary".
Just to complicate matters, some names or nouns are irregular, in that they don't have the proper endings.
Below are examples of the use of Latin in baptisms:
Robertus Filius Roberti et Mariae Smith - Robert, son of Robert and of Mary Smith.
Maria Filia Roberto Smyth baptisata - Mary, daughter by Robert Smith, baptised.
Maria Filia iligitima Mariae Smith - Mary, illigitimate daughter of Mary Smith.
Robertus Filius Mariae Smith Spurius - Robert, illigitimate son of Mary Smith.
Below are examples of the use of Latin in marriages:
Robertus Smith et Mariae White nupt fuerant - Robert Smith and Mary White were married.
Copulatio Roberti Smith et Mariae Whyte primo die - The marriage of Robert Smith and of Mary White on the first day.
Below are examples of the use of Latin in burials:
Robertus Smith ultimao die - Robert Smith on the last day.
Maria uxor Roberti Smith septimo die - Mary, wife of Robert Smith on the seventh day.
Maria filia Roberti Smith defuncti septimo die - Mary, daughter of Robert Smith, deceased on the seventh day.
Davidi et Mariae fil: Robertus Smith - Robert Smith, son of David and Mary. (of David and Mary, a son, Robert Smith).
Links of use for Latin