I am not aware of them being in Elgin Library, and I cannot find them in the online catalogue at www.nas.gov.uk so they may not have survived.
It may be of interest that a chunk of about 20 years' worth of the Duffus Church of Scotland parish register was left out when the LDS indexed it for the IGI. However this is in the 1820s/1830s/1840s so not much help with 1862.
HTH
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AITKENHEAD, Lanarkshire; BINNY, Forfar; BLACK, New Monkland; BRYSON, Cumbernauld; BURGESS, North-East Scotland; CRUICKSHANK, Rothes; DALLAS, Botriphnie; DAVIDSON, Oyne; HOGG, Larbert; LESLIE, Rothes; LESLIE, Mortlach; MENDUM, England; PATERSON, Larbert; RHIND, Forfar; SANG, Scotland; SCOTT, East Kilbride; STOREY, New Monkland; THORNTON, Shotts; WADDELL, New Monkland; WILKIE, New Monkland; WILKIE, Tannadice; WYLLIE, Lethnot and Navar; YOUNG, Keith