H.S.N. acknowledges the UTEP start-up funds and RisingSTARS award in supporting this work. B.K. would like to acknowledge computing resources provided through the National Science Foundation (XSEDE) under Grant No. DMR TG-110093. C.M.N.K. acknowledges the financial support by FWF Project No. P27980-N36. S.R.S., C.L.S., and L.M.M. acknowledge UTEP Start-up funds in supporting this work, and National Science Foundation (NSF), USA, with NSF-PREM Grant No. DMR-1205302. L.M.M. acknowledges the Wiemer Family for awarding Student Endowment for Excellence. The authors thank S. R. J. Hennadige for his help in doing EPR measurements. G.R.H., R.P., K.S., and V.S. acknowledge IITM for funding SVSM.

Data sets for original figures in the article 'Contrasting the magnetism in La2−xSrxFeCoO6 (x=0,1,2) double perovskites: The role of electronic and cationic disorder' published in Phys. Rev. B 99, 184411 (2019). The file name of each xls file corresponds to the figure number in the published article. The files can be opened using the Excel program. If there are sub-figures, or multiple frames in each figure, the data of each sub-figure is stored in separate sheets within one xls file. The files with the file extension 'vesta' can be opened using the freely available program VESTA.