I found some stuff for your project.
https://landedfamilies.blogspot.com/2013/07/57-agnew-of-lochnaw-cas...
https://staigfamily.files.wordpress.com/2018/06/agnew-of-lochnaw-fr...
Billie
Love to add this person to project.
Sir Andrew Agnew, 5th Baronet of Lochnaw