A predecessor state was founded around 1227 by an ancestor of the later kings named Thakore Jaspal, but its history is obscure.[3]
Although small in size, Mohanpur was not one of the small states that were merged with Baroda State under the Attachment Scheme in December 1943.[4]
The last ruler was Vinaysinhji Sartansinhji who was born in 1909 and rose to the throne in 1927. [5] He married and had issue.[6]Thakur Vinaysinhji Sartansinhji signed the instrument of accession to the Dominion of India on 10 June 1948. He died on 9 December 1955.
Rulers
The rulers of Mohanpur State bore the title Thakur.[6]
1793 – 1795 Vacant
1795 – 1801 Hindusinhji Pratapsinhji
1801 – 18.. Salamsinhji
18.. – 1850 Raisinhji
1850 – 1875 Dolatsinhji
1875 – 1882 Umedsinhji (b. 1854 – d. 1882)
6 Oct 1882 – 1916 Himmatsinhji (b. 1873 – d. 1916)
1882 – 1894 .... -Regent
1916 – 1927 Thakhatsinhji (b. 1861 – d. 19..)
1927 – 1947 Vinaysinhji Sartansinhji (b. 1909 – d. 1955)