The second son of Maharaja Sir Sardar Singh, he succeeded his elder brother Maharaja Sir Sumair Singh upon his death in 1918; in 1922 he served as the aide-de-camp to the Prince of Wales (later Edward VIII). Ruling under the regency of his granduncle until 1923, he was then formally invested as Maharaja by Lord Reading. During his reign, Sir Umaid Singh reformed and reorganised the Jodhpur State Forces and the judicial department, introduced a scheme for extending primary education, revised the land revenue settlement and established state pensions and a Provident Fund for state employees. Enjoying a distinguished military career, he died at his estate on Mount Abu on 9 June 1947 after a reign of 29 years, aged but 43.
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Titles
1903-1911: Maharajkumar Shri Umaid Singhji Sahib
1911-1918: Maharaj Shri Umaid Singhji Sahib
1918-1921: His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Umaid Singh Sahib Bahadur, Maharaja of Jodhpur
1921-1922: Captain His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Umaid Singh Sahib Bahadur, Maharaja of Jodhpur
1922-1923: Captain His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, KCVO
1923-1925: Major His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri] Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, KCVO
1925-1930: Major His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, KCSI, KCVO
1930-1933: Major His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCIE, KCSI, KCVO
1933-1936: Lieutenant-Colonel His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCIE, KCSI, KCVO
1936-1939: Colonel His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCSI, GCIE, KCVO
1939-1945: Air Commodore His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCSI, GCIE, KCVO
1945-1946: Air Vice-Marshal His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCSI, GCIE, KCVO
1946-1947: Lieutenant-General His Highness Raj Rajeshwar Saramad-i-Rajha-i-Hindustan Maharajadhiraja Maharaja Shri Sir Umaid Singh Sahib Bahadur, Maharaja of Jodhpur, GCSI, GCIE, KCVO
Honours
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Delhi Durbar silver medal-1911
Prince of Wales Visit Medal-1922
Knight Commander of the Royal Victorian Order (KCVO)-1922
Knight Grand Commander of the Order of the Indian Empire (GCIE)-1930
King George V Silver Jubilee Medal-1935
Knight Grand Commander of the Order of the Star of India (GCSI)-1936 (KCSI-1925)
King George VI Coronation Medal-1937
Grand Cross of the Order of the Dragon of Annam-1940
1939-1945 Star-1945
Africa Star-1945
War Medal 1939-1945-1945
India Service Medal-1945
Knight of the Order of St John (KStJ)-1946
Halvad-Dhrangadhra State Rajyabhisek Medal, 1st class-1948 (post-humous)