Holbrook calls 27.6.1804 / 28.6.1804 call on Holbrook with M(ary) J(ane) / 11.8.1804 call on Sibbald (Holbrook) with M(ary) J(ane)
Possibly Ann Catherine Holbrook DNB 1780-1837, or her husband, though they were mainly touring as provincial actors at that time This doesn't seem very likely though. Quite a common name. And see Sibbald