[5] The village has two medieval boundary crosses, one at Manor Hill Corner, which is Grade II listed[6] and a scheduled monument,[7][8] and White Cross which stands north of Poultry Farm at Hunts Gate at the western edge of the village and is a scheduled monument.

[9][10] The parish church is a Grade I listed building dedicated to Saint Mary dating from the 12th century and restored 1869.

The building was originally H Shape with an open hall, which was floored in the 17th century and the plan changed in the 18th.

[16][17] William Stanger (died 1854) M.D., F.G.S., Surveyor General of Natal and member of the Niger Expedition of 1841, gave relics to the Wisbech & Fenland Museum.

51 Squadron RAF whose headquarters were at Marham B Flight, established at Tydd St Mary in the summer of 1917.