Mary Fitzgerald?

Mary married John Salusbury Trevor, C.S.I., son of Robert Salusbury Trevor and Mary Spottiswoode. (John Salusbury Trevor, C.S.I. was born on 30 Aug 1830 in Cawnpore, West Bengal, India, baptised on 17 Oct 1830 in Christ's Church, Cawnpore, West Bengal, India, died on 9 Jun 1896 in Blandford House, Ladbroke Rd, West London and was buried on 12 Jun 1896 in Kensal Green Cemetery, London.)