Sister Mary Annette Harrigan, R.S.M., a member of the Brooklyn Sisters of Mercy for 68 years, died June 20.

She entered the Sisters of Mercy in 1944 after graduating from Mercy Juniorate H.S.

She taught at Holy Innocents, Flatbush, 1947-49; Holy Rosary, Bedford-Stuyvesant, 1949-58; St. Therese of Lisieux, East Flatbush, 1958-61; and as a child care worker in the Convent of Mercy, Fort Greene, 1946-47.

She served in the Rockville Centre Diocese at St. Joseph the Worker, Patchogue, 1965-69, and at St. Mary’s Home, Syosset, 1969-72.

From 1962 to 1965, she was a member of the faculty of the Sisters’ mission in St. Mary’s, Panama.

In 1986, she fulfilled a life-long ambition and graduated from Catholic Medical Center with an R.N. degree.

She spent the next six years at Brunswick Medical Center in Amityville, until illness forced her to retire to Mercy Convent, Riverhead.

Upon the closing of the Convent in Riverhead, she spent her remaining year at Maria Regina Residence, Brentwood.

A Mass of Christian Burial was celebrated June 25 at the Sisters of Mercy Convent, Whitestone. Burial was in St. Charles Cemetery, Farmingdale.