Marsden is a very common surname in that area, as was the occupation of lead miner. The parish register (Youlgreave) has Hannah daughter of Thomas and Mary Marsden, miner of Birchover, on 1 Jan 1813; Elizabeth and Mary, twin daughters of Jonathan and Ellen Marsden, miner of Birchover, on 23 May 1813; Hannah daughter of William and Mary Marsden, miner of Birchover, on 27 Feb 1814; and Jane daughter of George and Sarah Marsden, miner of Birchover, on 14 May 1815; but I can't see any record for George.