[1] The course of the Roman road that linked Dorchester on Thames with Alchester passes through the parish on a north–south axis, and the eastern boundary of the village green approximately follows it.

[2] About 1 mile (1.6 km) south of the village, just east of the Golden Balls roundabout on the A4074 road, is the site of a set of Roman kilns.

[6] It hung in the chapel of Corpus Christi College, Oxford until 1794, when Sir Christopher Willoughby had St Peter's Church remodelled and donated the painting.

The parish church of the Blessed Virgin Mary, Weston-on-the-Green, 12 miles (19 km) north of Marsh Baldon, has a Batoni altarpiece of the Ten Commandments.

[10] The future Archbishop of Canterbury, Archibald Campbell Tait, as a young man, renowned for his Devotional dedication, added the arduous and financially unrewarding curacy of Baldon, to his tutorial responsibilities as soon as he was ordained.

[11] Most of Marsh Baldon's houses and cottages are arranged around the village green, which is an irregular square shape with an area of around 23 acres (9.3 ha).

[14][13] The large green north-east of this original settlement would subsequently have been reclaimed from marshland early in the Middle Ages and then surrounded by houses.

[15] It was founded at Toot Baldon in 1771, when Elizabeth Lane left the house and four acres of land at Herbert's Farm for the purpose.