Mary Harriett Sophia appears to belong to this family:
Mary Harriet Sophia WEEDON dau of William and Sophia Eliza bp Christchurch, Camberwell 3 Apr 1846 of Marlborough Road, Kent Road - gentleman (born 21 Nov 1844) together with Emma Margaret born 26 May 1843.
On the same date is Walter Weedon son of Benjamin and Sophia WILLIAMS (born 5 Dec 1840) with same address and occupation.
Also, Emma Margaret dau of William and Sophia Eliza WEEDON of High Street, clerk baptised 14 Oct 1843 St Mary Newington, Surrey (born 26 May 1843) PB (private baptism).
Clara Caroline WEEDON bp 21 Dec 1846 Christchurch, Camberwell dau of William and Sophia Eliza of Marlborough Cottages, Old Kent Road - gentleman. Born 7 Nov 1846.
William WEEDON the younger, ba minor, writing clerk m Sophia Eliza WILLIAMS sp dau of Thomas Smith WILLIAMS gent at St Mary, Marylebone 2 Apr 1842. By license and with the consent of William WEEDON (coach proprietor?) the lawful and natural father of William WEEDON. Wit: Christopher LEESDALE and ........MASON.
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Just listing here to get a picture of the family ..................
1841 - Mortlake, Surrey
Louisa WEEDEN 25 not born in Surrey
George 7 not born in Surrey
Ellenor 5 not born in Surrey
Emma 5 not born in Surrey
Mary 3 not born in Surrey
Louisa 6m born Surrey
HO107/1062 book 2 folio 31 page 17
Maidstone baptisms
http://www.familysearch.org with parents George and Louisa
George Henry 7 Feb 1836
Ellen Amelia 7 Feb 1836
Emma Louisa 7 Feb 1836
http://freebmd.rootsweb.com possible birth for Louisa WEEDON born 1840 Richmond Surrey registration district.
I can't see anything that looks like a marriage for George and Louisa as yet
Casalguidi