Hădăreni [Hădărău] # Cheţani (Mureş); Hadrév; 1270 Terra vacua et habitatoribus carens Hodryv vocata, 1339 Villa Hodrew, 1367 Hadrew, 1382-1407 Hadrew (Csánki V. 707); 1440 Hadrew (KmJkv I. 241); 1440 Hodrew (Csánki V. 707); 1444 Hadrev, Hadrew (KmJkv I. 319, 322, 323); 1446 Hudrey (Csánki V. 707); 1450 viam publicam de eadem Egvrbegh ad Hadrew (SzO VIII. 78-79); 1471 HadRew (KmJkv I. 717); 1474 Hadrew, Hadryff (Csánki V. 707); 1477, 1521, 1524, 1549, 1552 Hadrew (KmJkv I. 773, II. 385, 448, 678, 740); 1587-1589 Had Rew (Jakó, Adatok 66); 1592 Hadrev (Veress, Doc. III. 290); 1598 Balasfoluj Georgj Hodreuj, Hodrenj Kereztyen Anyazentegjhaznak praedikatoranak eleotte (SZT I. 349, II. 155); 1614 Tanu Benedek Hadreui, Zakarias Janos Hadrevi (SzO Ús IV. 212, 270); 1733 Hadareu (cK.); 1800 Hadrév (El. 1800); 1808 pag. Hadrév (Lipszky); 1817 Hadrév, 1827 Hadrev, Hederou (El. 1817, ≈ 1827); 1839 Hadrév, Hedereou (Lenk II. 83); 1854, 1857 Hadrév, Hădărău (LRB 62; Bielz 452); 1873 Hadrév, Hidereou, 1877 Hadrév, Hiderevu, 1882 Hadrév, Hadereu, Hiderevu, 1893 Hadrév (Hnt. 1873, 1877, 1882, 1893); 1909 Hădărău, Hadrév (Dicţionar 1909); 1913 Hadrév + Szilvásytanya (Hnt. 1913); 1921 Hădărău, Hadrév (Dicţionar 1921); 1925 Hădăreni (Leg. 95/1925); 1954 Hădărău (IAL); 1956 Hădăreni (IAL) ✪ Torda vm.; 1587-1589 comitatus Thordensis; 1785-1790 Kolozs vm.; 1800, 1817, 1839 C. Thorda, in Inferiori Circulo, Processu Aranyosiensi; 1850-1854 Rettegi kat. vidék Cégi ker. Cekedi alker.; 1854-1860 Maros-Vásárhelyi ker. Záhi j.; 1873 Torda vm., Maros-Ludasi j.; 1873 Torda vm., Maros-Ludasi j.; 1877-1918 TAvm., Marosludasi j.; 1919-1925 Jud. Turda-Arieş, pls. Ludoşul de Murăş; 1925-1940 Jud. Turda, pls. Luduş; 1940-1945 Jud. Cluj-Turda, pls. Luduş; 1945-1950 Jud. Turda, pls. Luduş; 1950-1952 RMŞ r. Luduş; 1952-1960 RCJ r. Luduş; 1960-1968 RMAM r. Luduş