Have you tried this avenue to see if there are any surviving records of your lady?
http://www.genuki.org.uk/big/eng/CAMChurch Commissioners administers of "Queen Anne's Bounty"
Queen Anne's Bounty. A fund established by Queen Anne in 1704. She surrendered her revenues from first fruits and tenths to the fund, which was to be used for the benefit of poorer beneficed clergy. In the 19th century the fund also received parliamentary wants and private donations. In 1948 the administration of the fund passed to the Church Commissioners.
First fruits and tenths were payments made to the Pope by beneficed clergymen. In 1534 in England these were acquired by the King under Act. Various exemptions were made in 1535, 1536, 1558, 1706 and 1707. In 1703 an Act was passed enabling Queen Anne to employ these moneys in augmenting poor benefices, and since then they have been known as Queen Anne's Bounty, and have been administered by commissioners, first appointed in 1704. Existing legislation regarding Queen Anne's Bounty are Acts of 1703, 1716, 1777, 1780, 1801, 1803,1805, 1830, 1837, 1838, 1839, 1840, 1846, 1865, 1870, 1874, 1875, 1881, 1890, 1894, 1908. The Acts known as Queen Anne's Bounty Acts are those of 1703, 1716, 1803, 1838, 1840 and 1870.