The Zn, Co and Ni substituted manganese ferrite powders, Mn_1-x(Zn, Co, Ni)_xFe₂O₄, were fabricated by the solgel method, and their crystallographic and magnetic properties were studied. The Zn substituted manganese ferrite, Zn_0.2Mn_0.8Fe₂O₄, had a single spinel structure above 400 ^oC, and the size of the particles of the ferrite powder increased when the annealing temperature was increased. Above 500 ^oC, all the Mn_1-x(Zn, Co, Ni)_xFe₂O₄ ferrite had a single spinel structure and the lattice constants decreased with an increasing substitution of Zn, Co, and Ni in Mn_1-x(Zn, Co, Ni)_xFe₂O₄. The Mössbauer spectra of Mn_1-x Zn_xFe₂O₄(0.0≤x≤0.4) could be fitted as the superposition of two Zeeman sextets due to the tetrahedral and octahedral sites of the Fe³⁺ ions. For x = 0.6 and 0.8 they showed two Zeeman sextets and a single quadrupole doublet, which indicated they were ferrimagnetic and paramagnetic. And for x = 1.0 spectrum showed a doublet due to a paramagnetic phase. For the Co and Ni substituted manganese ferrite powders, all the Mössbauer spectra could be fitted as the superposition of two Zeeman sextets due to the tetrahedral and octahedral sites of the Fe³⁺ ions. The variation of the Mössbauer parameters are also discussed with substituted Zn, Co and Ni ions. The increment of the saturation magnetization up to x = 0.6 in Mn_1-x Co_xFe₂O₄could be qualitatively explained using the site distribution and the spin magnetic moment of substituted ions. The saturation magnetization and coercivity of the Mn_1-x(Zn, Co, Ni)_xFe₂O₄  (x = 0.4) ferrite powders were also compared with pure MnFe₂O₄.