Most likely Edward Watterson is a fisherman (born Rushen) in 1881 (married) and 1871 (unmarried).
In 1881 there is a married Eleanor Watterson at Erystain? Bally Moor in Arbory. She is aged 28, was born in Arbory, and is a fisherman's wife with two children, both born in Arbory, William E. 6 and Henry 2.
In 1861 in Rushen (all born in Rushen):
Thomas Watterson 46 Ship Carpenter
Catherine wife 41
Thomas 12
Catherine 10
Edward 8
James 5
Margaret 3.
In 1861 Mountain Road in Arbory:
William Skelly 43 farmer of 13 acres b. Marown
Margaret wife 40 b. Patrick
Catherine 16 b. Arbory
Thomas 14 b. Arbory
John 13 b. b. Arbory
William 11 b. Arbory
Henry 10 b. Arbory
Eleanor 8 b. Arbory
George 7 b. Arbory
Jane 5 b. Arbory
Margaret 2 b. Arbory
Edward 3 months b. Arbory
In 1891 at the Colby Glen Hotel, there is an Eleanor Watterson age 38 widow born Arbory
William E. 16 is a lead miner.
There is no Henry but she has two other children
Richard 9 b. Arbory and R.E.M ? Watterson 5 daughter b. Arbory
based on 1901, when I cannot trace Eleanor, that would be Robena E. M. Watterson