Andrew Lighton, esq.
I did some more digging for other appearances of my name on the web. Google books found an interesting entry (albeit spelled slightly differently).
According to the 1860 edition of The Gentleman’s Magazine, a Mr Andrew Lighton, esq. married Eliza Amelia at Brighton.
Earlier than month, Robert Leighton, esq. married Eliza Harriet — she’s the youngest daughter of the late Rev. John Wilkinson, formerly the Vicar of Budwith and of Gate Helmsley in Yorkshire.
Haven’t checked whether either of these esq. appear in the family tree.
Update: There’s actually a few mentions in Google Books.
Update: Checked the family tree details Mum gave me a week or two back. I figure for these guys to get married in the 1860′s they’d have to be born in the 1830-1840 timeframe, and there’s no sign of either a Robert or Andrew back then — certainly not in the details I’ve got.
I think that most of the ancestors are from around the Thurrock area, starting with Arthur Thomas Ligthen in 1849. Before that they seemed to be Leighton’s