The American Monthly Magazine uses the phrase "narrow neck of land" in 1824, reprinted in The Pennsylvanian.
"Biographical Sketch of Andrew Jackson," The Pennsylvanian, April 10, 1824, p. 2, reprint from The American Monthly Magazine, accessed April 29, 2026
Surrounded almost entirely by the river, it was accessible only by a narrow neck of land, of 350 yards in wedth, which they had taken much pains to secure and defend by placing large timbers and trunks of trees horizontally on each other, leaving but a single place of entrance.