- Mr and Mrs Lentry, and their daughter Deb
- Mr and Mrs Itor, and their daughter Aud
- Mrs Tor and her son Cred E
- Mr and Mrs N' Counter and their daughter Bea
- Mrs Itnloss and her academic husband the Prof
- The Preciation family and their dipsomaniac daughter Dee, whose balance is always reducing and who never seems to go in a straight line...
- Mr Uaddedtax and his daughter Val
- The twin Entrybookkeeping brothers - it's double Entrybookkeeping
- Mrs Ternalaudit and her son Ian (her divorced husband, couldn't make it. He's her Ex)
- Mr and Mrs Shion and their female cousin from the southern USA, Tex Eva.
- Mr and Mr Trolacount and their son Con.
- From Germany, Mr & Mrs Inkind and their son Benny Fitz
- Everyone's least favourite vicar, the Rev Enue
- Mr and Mrs Quidasset and their son Lee
- Mr and Mrs Enture and their daughter Deb
- All the way from Bermuda, Mr and Mrs Haven and their son Tex
- They've been written off previously, but they're back, Mr. and Mrs. Ization and their son A. Mort.
- Mr and Mrs Vertible-Bond have arrived with their debonair young man Conn. what an asset he’ll turn out to be one day.
- Mr and Mrs Peemgee and their daughter Kay
- Mr and Mrs Payedtax and their adopted Korean son Un
- Mr and Mrs Taxation preferred not to be announced as late. They asked if their arrival could be described as 'deferred'.
The above were suggested in response to my request in a facebook group: I'm Sorry I Haven't A Clue Appreciation Society (It's a homage to the popular radio 4 comedy show)