Marian University is a private Catholic university in Indianapolis, Indiana. Founded in 1851 by the Sisters of St. Francis in Oldenburg, Indiana, the college moved to Indianapolis in 1937. Marian was known as Marian College from 1936 until 2009. As of 2017, enrollment included 2,431 undergraduate students, 1,164 graduate students, and 650 doctoral s…Marian University is a private Catholic university in Indianapolis, Indiana. Founded in 1851 by the Sisters of St. Francis in Oldenburg, Indiana, the college moved to Indianapolis in 1937. Marian was known as Marian College from 1936 until 2009. As of 2017, enrollment included 2,431 undergraduate students, 1,164 graduate students, and 650 doctoral students. Marian University athletes have won national championships in several sports.