// Workers AI · dad joke modeIs Pi Delta Theta a math sorority? Because it's an irrational sisterhood.

Not to be confused with Phi Delta Theta.

Pi Delta Theta
ΠΔΘ
Founded	February 14, 1926 (1926-02-14) Miami University
Type	Social
Former affiliation	AES
Status	Merged
Merge date	1941
Successor	Delta Sigma Epsilon
Scope	National
Colors	White,   Gold, and   Myrtle green
Flower	Marguerite Daisy
Publication	Thalia    and The Myrsine
Chapters	9
Members	1,000 active
Headquarters	United States

Pi Delta Theta (ΠΔΘ) was a national collegiate sorority operating in the United States from February 14, 1926, until it was absorbed by Delta Sigma Epsilon in September 1941.

History

Before its formation, the sorority had help in 1925 from Ida Shaw Martin of the Sorority Service Bureau, who had been fielding requests for information from recently formed local sororities seeking national affiliation. She invited representatives of three organizations to send their faculty advisors to a meeting in Boston, Massachusetts, in the summer of 1925. Two responded affirmatively, which constitute both the founders and founding chapters of Pi Delta Theta:

• Mrs. Robert E. Brown, Kappa Theta Alpha (local) of Miami University of Ohio
• Miss Beulah Houlton, Zeta Sigma Alpha (local) of Kansas State Teachers College, Emporia

The organization was thus formed, with the Miami chapter being named its Alpha chapter, and Mrs. Brown was named as the first National President. Expansion began in earnest, but early chapters were lost as the Great Depression dragged on. In 1941, with WWII looming, the four remaining chapters opted for merger.

Pi Delta Theta was a member of the Association of Education Sororities, an NPC predecessor. The merger of Pi Delta Theta and Delta Sigma Epsilon was the only merger to occur within AES organizations.

Fifteen years later, in 1956, Delta Sigma Epsilon would itself merge with Delta Zeta.

Symbols

• The badge consisted of the Greek letters Π and Θ in gold with a Δ set with pearls overlaying the other two letters.
• Colors were white, gold with myrtle green.
• The flower of Pi Delta Theta was the marguerite.
• The Sorority publications were the Thalia, which was published twice a year, and the Myrsine, which was published by the ex-collegio (alumnae) chapters four times a year.

Governance

Government was vested in three entities: The national convention, the National Council, and the Board of Advisers.

Chapters

The chapters of Pi Delta Theta were as follows.

Chapter	Charter date and range	Instituiton	Location	Status	Ref.
Alpha	February 14, 1926 – 1939	Miami University	Oxford, Ohio	Inactive
Beta	1926–1937	Emporia State University	Emporia, Kansas	Inactive
Gamma	1927–1934	Pittsburg State University	Pittsburg, Kansas	Inactive
Delta	1927–1932	Ohio University	Athens, Ohio	Inactive
Epsilon	1927–1937	Kent State University	Kent, Ohio	Inactive
Zeta	June 1928 – 1941	Buffalo State College	Buffalo, New York	Merged (ΔΣΕ)
Eta	1929–1941	Eastern Michigan University	Ypsilanti, Michigan	Merged (ΔΣΕ)
Theta	May 28, 1932 – 1941	University of Northern Colorado	Greeley, Colorado	Merged (ΔΣΕ)
Iota	October 25, 1935 – 1941	Indiana University of Pennsylvania	Indiana, Pennsylvania	Merged (ΔΣΕ)