Meaning of KITCHING
The following is taken from the Penguin Dictionary of Surnames
Kitchen, Kitchener, Kitchenor, Kitchinger, Kitchin(g) - kitchen worker
Go figure
Further research found on British Surnames & Profiles www.britishsurnames.co.uk/surnames/KITCHING/meaning gives a similar meaning.
Surname Etymology and Meaning of KITCHING
English and Scottish: variant spelling of Kitchen.
1. English and Scottish: from Middle English kychene �kitchen�, hence an occupational name for someone who worked in or was in charge of the kitchen of a monastery or great house.
2. Scottish and northern Irish: variant of McCutcheon.
This site also gives a map showing distribution of the name, plus a geographic comparison and ethnic breakdown.