The 1851 census shows her age as 9 making her born 1842.  She is listed between Esther and John.  Does Bill have the correct birth date for Elizabeth?

Ontario, Canada Deaths, 1869-1934 about Elizabeth Ann Lamb
Name: Elizabeth Ann Lamb Death Date: 3 Dec 1926 Death Location: Grey Gender: Female Estimated Birth Year: abt 1836 Birth Location: Gorafrsis (now isn't that just a great job of transcription?) #015635

She is listed as 90 at the time of her death, parents are given as father ___ Redmond and mother Elizabeth Ann Redmond.  William Lamb was the informant.  Her residence is given as Union St., born in Garafraxa in 1835.  She was buried in Lakeview Cemetery, Meaford on Jan 2, 1926.