Daughter of Henry Cambridge, Ada married George Frederick Cross in 1869 (he took Holy Orders in 1870 as a curate in England; after various curacies in Australia, he became Incumbent of Coleraine, diocese of Ballarat, in 1877). Ada’s works include:

• Hymns on the Litany, 1865
• Hymns on the Holy Communion, 1866
• The Manor House and Other Poems (London: Daldy, Isbister & Co., 1875)
• Unspoken Thoughts (London: Kegan Paul, Trench, 1887)
• At Midnight and Other Stories (London: Ward, Lock & Co. Limited, 1897)
• Sisters (London: Hutchinson and Co., 1904)
• The Hand in the Dark and Other Poems (London: William Heinemann, 1913)

She also contributed to Lays of the Pious Minstrels, 1862; English Lyrics; and published a prose story, “The Two Surplices,” 1865, and tales in various magazines.