Aylesbury Vale Parkway railway station is on the A41 road, just outside the parish's eastern boundary.

[citation needed] In 2022 HS2 archaeologists discovered a Roman cemetery, and exhumed about 425 bodies including 40 decapitated skeletons.

A "heavy scatter of Roman pottery" has been found in the parish on the course of the former road, indicating the site of a former Romano-British settlement.

[6] The latter included a "remarkable collection" of organic finds, included four hen's eggs (one of which survived excavation intact), leather shoes, wooden tools and a basketry tray made of woven oak bands and willow rods, in addition to evidence of malting and brewing, other roadside trades and crafts, burials and a possible pyre site.

[7][8] In 2022 a large Roman cemetery was discovered by the HS2 archaeologists, who exhumed about 425 bodies including 40 decapitated skeletons.

The prefix "Fleet" refers to the stream along eastern side of the parish,[9] and was added to distinguish the village from nearby North Marston.

[1] John Wesley is known to have preached his first sermon at Fleet Marston shortly after his ordination as deacon in 1725.

[1] In 1806 Daniel and Samuel Lysons described Fleet Marston in their Magna Britannia: FLEET-MARSTON, in the hundred of Ashendon and deanery of Waddesdon, lies about three miles from Aylesbury, on the road to Bicester.

The manor, which was for many years in the Lees, has been lately purchased of their representative, Lord Dillon, by James Dupré esq.

British Railways withdrew passenger services in 1963 and later reduced the line to single track.