Mara #2 is actually Wil P. Mara, who has his own author page.
Mara # 3 is actually A. Mar (pen name of Anna Lenshina).
Mara #4, French author of Journal d'une femme soumise (1979).
Mara #5 (b. 1936) is the author of Letters to Michael (1977).
Mara #6 is actually Mára!, a German female artist.
Mara #7 is actually Mara Jacobs, who has her own author page.