The phrase 'aunt by' is not correct or usable in written English.
You would not use it on its own. Aunt is a noun and by itself it cannot form a sentence. You could use it in the phrase "My aunt, by marriage," which would mean your aunt who is related to you by your partner's family.
WESTPORT "Charley's Aunt," by Brandon Thomas.
The niece tried to contact her aunt by phone, but was rebuffed by Ms. Washington.
He looks after land abandoned by an aunt, by his mother, and his own Monte Alegre.
Her aunt, by contrast, a domestic tyrant, dominates her easygoing (yet deceptive) husband with her imperious propriety.
When Ms. Torres was 5, she had surgery on her spine and spent 10 months recovering in the hospital, with her aunt by her side.
Child B was taken into temporary foster care for a month but handed back to her aunt by Hackney social services.
We returned home with two new words in our vocabulary -- "dude" and "dudeman" -- several terrific photos of killer whales near the kayaks and the unique experience of being considered "way cool, man" aunts by our three teenage nephews.
Moms like you can acknowledge the aunties in your children's lives with love and appreciation on Auntie's Day, the day I founded in 2009 to celebrate aunts by relation (ABRs) and aunts by choice (ABCs) -- i.e. your best friends who choose to be aunts to your children.
Aunts by relation or choice give of their discretionary income and time to children-not-their-own in their immediate lives, in their communities and around the world every single day.
As for winning an early release, Greg now knows that is very unlikely, unless there occurs some unforeseeable change of heart by his aunt or by the prosecutor, Daniel Hampton.
My mother and aunt survived by feigning to be dead.
