[1][3] John Payne Collier published records by Mainwaring relating to a performance of Othello for Queen Elizabeth at this period; these were later recognised as forgeries, however.
[4] A genuine connection with William Shakespeare was an attempt led by Mainwaring in 1614 to enclose lands at Welcombe near Stratford-upon-Avon, defeated by local resistance.
[1] He became notorious as the lover of Anne Turner, hanged in 1615 for her part in the murder case of Sir Thomas Overbury.
[7] The relationship, seemingly tolerated by Anne's husband Dr. George Turner who died in 1610, led to children but no marriage.
In 1641 the forest was the scene of disorder and poaching of the deer, and he recommended firm action around Egham, which was however thwarted by local sympathies.