From Wiktionary, the free dictionary
Uncertain origin; possibly a distortion of German Hähnchen (“little cock”), or more likely a patronymic from Hensch, a variant of Johannes.
Henschien ?
- a surname from German
- Olav Veka (2000) “Henschien”, in Norsk etternamnleksikon, page 181: “frå tysk ei form av Johannes ― from German a form of Johannes”
- Patrick Hanks (2003) “Henschen”, in Dictionary of American Family Names, page 165