Rona Jack, 88, a long-time parishioner at St. Gregory the Great, Crown Heights, died Feb. 22.

A viewing, in St. Gregory the Great Church, will be Sunday, March 4 at 4 p.m., followed by a Mass of Christian Burial at 6 p.m.

A parishioner since 1958, she served as school secretary, 1969-86, parish secretary, 1986-2015  and school bursar, 2000-15.

She held an associate’s degree in business from St. Francis College, Brooklyn Heights.

She is survived by her sons, Arthur Jr., Lester, Gregory and Stephen, four siblings, and six grandchildren.

Her son Gregory Jack is the organist and trustee at the parish as well as president of the board of directors of St. Gregory the Great Catholic Academy.

Final commendation will be on Monday, March 5, from St. Gregory the Great at 10:30 a.m.

Burial will be at St. John Cemetery, Middle Village.