Ayn al-Mansi

Ayn al-Mansi (عين المنسي, Ein el Mansî) was a Palestinian Arab village in the District of Jenin of the Mandatory Palestine. It was depopulated as a result of a military attack in mid-April during the 1947–48 Civil War in Mandatory Palestine.

History
During the 19th and first half of the 20th century, Ayn al-Mansi was one of the settlements of the so-called "Fahmawi Commonwealth" established by Hebronite clans belonging to Umm al-Fahm. The Commonwealth consisted of a network of interspersed communities connected by ties of kinship, and socially, economically and politically affiliated with Umm al Fahm. The Commonwealth dominated vast sections of Bilad al-Ruha/Ramot Menashe, Wadi 'Ara and Marj Ibn 'Amir/Jezreel Valley during that time.

In the 1882 the PEF's Survey of Western Palestine (SWP) described  El Mensi as: "A small ruined village, with springs."

British Mandate era
In the 1931 census of Palestine, conducted by the British Mandate authorities, Ein el Mansi had 73 Muslim inhabitants, in a total of 15 houses.

In the 1945 statistics, Ayn al-Mansi had a population of 90 Muslims,  and the jurisdiction of the village was 1,295 dunams of land, according to an official land and population survey. Of this, 186 dunams were used for plantations and irrigable land, 868 dunams were used for cereals, while 2 dunams were built-up (urban) land.

1948 and aftermath
Ayn al-Mansi became depopulated after Military assault in mid-April 1948.