There are so many purple/white plicatas that one picture won't suffice unless there is a unusual feature. For an intense search here are some of the things that help.

Helpful information for ID of bearded iris:
Any purple base foliage (PBF); if so how much? Slight? Strong?
Height (measure from ground to top of top bud); this can vary from year to year but can eliminate, or not, the intermediate class.
Number of branches and if any are "stubs" (can't remember proper term).
Number of buds; any double or triple sockets and which ones (ie. top one or 3rd down).
Bud opening sequence (ie. 3 at once).
Color description of flower including haft area and beards.
Form description (ie. tailored, ruffled, laced, horiz. falls, etc.)
And anything else you can think of.
Side view of flower, front view, whole stalk. Taken in sun. If camera leans towards blue or red, make note.
Side close-up of beard sometimes helpful.
Picture each day shows progression of bloom color and form.

Even this information will not guarantee an ID. It may rule out some cultivars. Big box stores are the most guilty of mismarked iris and daylilies.

Oh wow, Irisgal. Thank you so much for the information. I'll do some more research and see if I can come up with anything. I figured it would be a wild shot identifying it.

Rosie, please don't grab on this as an id . . . . . . . . . . . . . . . but 'Jesse's Song' is similar, only with more red pigment.

Here you can see the different colors that different cameras show. Sun or shade highly affects camera's capture of color too. Especially purples/lavenders.

Stalk shots showing branching, bud placement & opening are more reliable.

Jesse's Song - many pictures

Irisgal it really does look like it!!!!! That's amazing. Thank you so much. If nothing else maybe we can just call her Jesse :)

Probably Jesse Wannabe :-)