Found a typo in my index.

1901, Peel, district 3, schedule 84,3 Love Lane
Horage Grose, head, married, 35, lead miner, Rushen
Elizabeth, wife, married, 25, Peel
Elizabeth A, daughter, single, 3, Peel
Florence E M, daughter, single 1, Patrick

1871, Rushen, district 1, schedule 100, Ballakilpatrick Road
Matthew Grose, head, married, 48, agent of lead mines, England
Elizabeth, wife, married, 36, Rushen
Martin, son, unmarried, 23, miner, Patrick
Clara, daughter, unmarried, 17, scholar, Rushen
Frank, son, unmarried, 19, joiner, Rushen
Florence, daughter, unmarried, 14, scholar, Rushen
Albert, son, unmarried, 12, scholar, Rushen
Horace, son, unmarried, 11, scholar, Rushen
Beatrice, grand daughter, unmarried, 1, Rushen

The 1861 census shows Matthew born Cornwall and wife Elizabeth at Winchester.
Horace's age is given as 9 months which would indicate the 1901 age is a bit out.