ridinghabit

Mrs. Paul Drennan Cravath was Agnes Huntington (1862-1926), a former opera singer; and her daughter was Vera Agnes Huntington Cravath (1895-1985): en.wikipedia.org/wiki/Paul_Drennan_Cravath books.google.com/books?id=34hmAAAAMAAJ&dq=%22Agnes%20... Vera married James Satterwhite Larkin in the summer of 1917, and she married William Francis Gibbs in 1927. Elsewhere:

Mrs. Cravath is holding a rosette, likely won by Vera or by her father, Paul D. Cravath.
NYT of Sept 19, 1915
select.nytimes.com/gst/abstract.html?res=F10B1FFE3F551273...
indicated that both were entered for the Mineola Horse Show -- so this may be the location.
Also elsewhere:

I wondered what she was holding! Mothers are always stuck holding things. ;)

Thanks for the information! We will update our record.

from a previous Flickr photo note: Inez Milholland Boissevain (born August 6, 1886 in Brooklyn, New York - November 25, 1916 in Los Angeles) was a suffragist, labor lawyer, World War I correspondent, and public speaker who greatly influenced the women's movement in America.

that's not just any horse, that is a well bred and well cared for animal!

Inés Miholland Boissevain (nacida el 6 de agosto de 1886 en Brooklyn, Nueva York, muerta el 25 de noviembre de 1916 en Los Ángeles), fue una sufragista, abogada laboralista,corresponsal de la Primera Guerra Mundial y oradora que tuvo gran influencia en el movimiento por los derechos de la mujer en América.

Thanks, Harry Angstrom, for the useful information about Inez Milholland Boissevain. We will add the clarification of her name, the event (a suffrage parade), and the date to this record next time we update it.

See also:

Helen Preece (b. 1897) was a young English equestrian competitor in the 1910s, at Madison Square Garden and elsewhere.

New York Times Article from 5 November 1911:
query.nytimes.com/mem/archive-free/pdf?_r=1&res=980DE...

wonderfullllllllll !!!!!!!!!!!!!!!!

A Powerful and Dominant lady.

looks like conservative