Can any one help?Sarah Ann Lawlor was born about 1849, as calculated from her marriage certificate details, in either England or Ireland, daughter of Edward Lawlor.
Her name is recorded as 'Lawler' on LDS and IGI lists, born in 1851, with data supplied by an unnamed LDS member.The South Australian Marriage Registration record has' Lawlor', which is the correct spelling.Her family origins are probably of the "Lalor clan" of Ireland. Other sources given birth date as "abt. 1851". 
Sarah Ann Lawlor (aged 17 yrs) married on 21 January 1866, Sevenhill District, Clare, S. A., Wellwood James Anderson (aged 23 yrs) son of Wellwood Maxwell Anderson of Jamaica. A birth date for Sarah is calculated from this information to be about 1849.
Sarah and Wellwood lived in or near North Adelaide for a time, following his appointment to a new school established by Sir Charles Murdoch. Their first three children were born in North Adelaide.In August, 1870, Wellwood and Sarah moved to Two Wells, where they lived for about seven years while he was Head Teacher of the Rural School there.
Sarah Anderson nee Lawlor, had teacher ID 204.As a Teacher of Sewing, she worked in Rural Schools, mainly those run by her husband as Head Teacher.
From Two Wells the Andersons moved to Nairne in the Adelaide Hills, where Wellwood taught at the Naire Primary School, from 1877 to 1878.From Nairne they moved to Norwood (1878-80), then to Paradise (1880-86). In 1886 the family moved to Wasleys, in the South East of SA (1 May 1886-Dec 1886) and to O.B. Flat (HT 1887-90). Sarah and Wellwood James Anderson had twelve children, whose places of birth mark their father's teaching placements.
Sarah Anderson died on 17th November, 1913, at Nth Adelaide, SA., aged about 64 years. She was survived by her husband, nine children and twenty five grandchildren.
References  South Australian Marriages, Index of Registrations 1842-1916, bk 66 p.415, Wellwood James Anderson 23y N (f Wellwood Maxwell Anderson)" m. Sarah Ann Lawlor, (daughter of Edward Lawlor); married aged 17 yrs, (born circa 1849 place unknown); on 21 January 1866, Sevenhill District, Clare, S. A..[Note spelling error in Index transcript has 'Willwood' instead of 'Wellwood'.]  FamilySearch™ International Genealogical Index v5.0, Southwest Pacific. Birth, 1851; Spouse: Wellwood James Anderson, Marriage: 21 JAN., 1866, Adelaide, South Australia, Australia.  FamilySearch™ Pedigree Resource File: Compact Disc #119; Pin #892171. Has birth given as abt. 1851 (which would have made her 15 years of age at time of marriage, c.f. marriage certificate has age 17 years.). LDS Data submitted by Martin Jeffrey Nicholls, 128 De Little Circuit Greenway, ACT 2900.