Gerard de Lisle was a fourteenth-century English nobleman and soldier. His connection with Abbotstone arose through the dower rights of his wives, both widows of members of the St John family, rather than through a clearly evidenced outright acquisition.

His Abbotstone interest should not be represented as sole ownership.

Research sources:
- Discussion of the Abbotstone settlement and dower position citing Victoria County History, Hampshire, vol. 4, p. 193, and related medieval records. — https://groups.google.com/g/soc.genealogy.medieval/c/uE_51XcUqhU/m/HMNsZWG5ZYgJ