Definition of "Kate"
Kate
proper noun
A diminutive of the female given name Katherine and related names, also used as a formal given name.
Quotations
Petruchio.Good morrow, Kate; for that's your name, I hear.Katharina.Well have you heard, but something hard of hearing: / They call me Katharine that do talk of me.Petruchio.You lie, in faith; for you are call'd plain Kate, / And bonny Kate, and sometimes Kate the curst;
c. 1590–1592 (date written), William Shakespeare, “The Taming of the Shrew”, in Mr. William Shakespeares Comedies, Histories, & Tragedies […] (First Folio), London: […] Isaac Iaggard, and Ed[ward] Blount, published 1623, [Act II, scene i]
Ruth did know, but Kate was not named after Hecate or Auntie Catherine or Santa Caterina of Siena (suggested by a Catholic priest of Ruth's acquaintance). She was simply Kate because Ruth liked the name. It was attractive without being twee, strong without being hard. You could hear it prefaced by Doctor or followed by MP. At the same time it was cute enough for a baby.
2014, Elly Griffiths, Ruth Galloway: The Early Cases: A Dr Ruth Galloway Mysteries Collection, Hachette UK