Sarah Key was born around 1790.

Sarah married Samuel Lavender on Monday 25 November 1811 in Wrockwardine, Shropshire.

She had the following children from her marriage to Samuel Lavender:

- William Lavender	born on 16 October 1812.
- James Lavender	born on 30 January 1815.
- Samuel Lavender	born on 30 January 1818 in Oldswinford, Worcestershire.
- John Lavender	born on 7 June 1819 in Oldswinford, Worcestershire.

Details of Sarah's death are not known.