[KiwiChris]

Because Clara was a visitor with Rebekah Bousfield in 1861, and not some sort of family member, I am wondering if the references to Philip being a nephew of Octavius Bousfield was more the family friend kind of uncle than a blood uncle.
There is also the issue of Clara's place of birth on that census, she was clearly born in London and not in India, and surely family would know that?

Octavius Bousfield was an important figure in this part of NZ, and Philip Cuthbert Anderson was the first vicar of the local church, so finding a real link between the two families would be wonderful.

I went round and round in circles yesterday trying to find a Bousfield and Cuthbert or Anderson link, without any success.

There is always a sliver of truth in information, so working on what we do have -
No evidence of a marriage for Minnie Cuthbert and Henry Anderson
At baptism, Henry Anderson, India Civil service
Henry Lacon Anderson was in the India Civil Service, although married to someone else.
Henry Lacon Anderson was baptised in India 1817, son of George William Anderson and Caroline, and he married in India 1841. There are no obvious baptisms for children of Henry and his wife in India on Family Search. They don't seem to appear on UK census until 1871.

Philip attended a good school and was well educated - a school teacher before ordination, so someone paid for that.
Clara appears to have married reasonably well, to the son of a clergyman, the register does say that her father was also clergy, but I wonder if that bit is true. The earliest Crockford on line is 1868 and he is not there, could be dead by then of course.

Are they the illegitimate children of Henry Lacon Anderson and Minnie Cuthbert? A number of family trees seem to think so.