Are these the daughters of Philip Brew and Catharine Killey?
If so 1861 RG9/4420 census has at Ballasayle, German:
Philip Brew head 50 farmer 42 acres b. Ballaugh
Catherine wife 39 b. Patrick
Margaret 14, b. German
Ellen 12 b. German
Elizabeth 10 b. German
Sophia 8 b. German
Eliza 5 b. German
Christian 2 b. German

1871 census Arbory RG10/5778 has Elenor Callow Wife 24, fisherman's wife b. German
Sophia Brew 18 sister Farmer's daughter b. German
Margaret Leece Widow grandmother 77 ag. Laborer b. Arbory.
Note Eleanor Brew marriew Thomas Callow in German on January 1 1870.

1871 census RG10/5771 Ballasayle German has
Philip Brew 60 head fisherman and landowner 80 acres b. Ballaugh
Catherine wife 40 b. Partrick
Eliza 15 b. German
Christian 12 b. German
Isabella 10 b. German

1881 census RG11/5607 Knockaloughin St. Anne has
Robert J. Moore head married 28 farmer of 71 acres b. Malew
Eliza j. Moore wife 25 b. German.
Note Eliza Moore married John Moore Bradden Feb 24, 1881.

1891 census Knockalaughan Santon RG12/4690 has
Robert Jno. Moore 35 farmae b. Malew
Eliza Jane Moore 35 b German
Catherine A Moore 8 b. Santon
John H Moore 7 b. Santon
Elizabeth M Mooore 5 b. Santon
Laura J Moore 4 b. Santon
Christian E Moore 3 b. santon
Arthur Moore 10 months b. Santon

I found nothing after 1881 for Sophia. The possibilities are marriage, emigration or death.