Boyt at Venonis High Cross https://www.roman-britain.co.uk/places/venonis/ 1300 CE
Boyt, Butler & Ballard at Lactodurum Towcester (400 AD) Saxon Village

Boyett Butler Ballard BigY Roman Map Watling St
https://en.wikipedia.org/wiki/Lactodurum
https://en.wikipedia.org/wiki/Towcester
Location of R-FT81743 about the end of Roman Times 400 CE (Saxon) Watling St (A5) Wessex & The Danelaw
https://en.wikipedia.org/wiki/Watling_Street

https://discover.familytreedna.com/y-dna/R-FT81743/tree