About the Bonaventure surname
The modern spelling of Bonaventure alone is not enough to establish a certain origin. The canonical form used here is “Bonaventure”; phonetic or spelling differences found in indexes should be checked against the other information in the record. Migration, language shifts, and record transcription can alter a surname over successive generations.
Pronunciation:
Bo-na-van-tur/bɔnavɑ̃tyʁ/