Flowers and celebratory signage greet guests of Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Sister Cecilia Jacko greets family members as they arrive for her 75th Jubilee Mass on July 13, 2024.

Sister Cecilia Jacko greets family members as they arrive for her 75th Jubilee Mass on July 13, 2024.

Sister Marian Sgriccia, provincial minister, congratulates Sister Cecilia Jacko before the start of her 75th Jubilee Mass on July 13, 2024.

Rev. John Bachkay and Rev. Donald Buchleitner prepare to celebrate Sister Cecilia Jacko's 75th Jubilee Mass on July 14, 2023, at Mt. Assisi Place.

Members of the School Sisters of St. Francis attend Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Young members of the Jacko Family await their participation in Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Sister Kevin Berdis instructs young participants in Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Sister Marian Sgriccia, provincial minister, welcomes those gathered for Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Young members of the Jacko Family lead the entrance procession for Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sister Bonnie Marie Kleinschuster and Mary Xavier Bomberger process into the chapel for Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

Sister Cecilia Jacko is followed into the chapel by Fathers John Bachkay and Donald Buchleitner for her 75th Jubilee Mass on July 13, 2024.

Fathers John Bachkay, Donald Buchleitner and Richard Zelik follow Sister Cecilia Jacko into Our Lady of Angels Chapel at Mt. Assisi Place on July 13, 2024.

Father Richard Zelik officiates Sister Cecilia Jacko's 75th Jubilee Mass at Mt. Assisi Place on July 13, 2024.

The offertory gifts await during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sister Cecilia Jacko listens as Father Richard Zelik speaks during her 75th Jubilee Mass on July 13, 2024.

Family and friends fill Our Lady of Angels Chapel at Mt. Assisi Place for Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Fathers Richard Zelik (center), John Bachkay (left) and Donald Buchleitner (right) concelebrate Sister Cecilia Jacko's 75 Jubilee Mass on July 13, 2024.

Trevor Francis, great-great nephew of Sister Cecilia Jacko, reads during her 75th Jubilee Mass on July 13, 2024.

Sister Frances Marie Duncan, general minister of the School Sisters of St. Francis, reads during the 75th Jubilee Mass for Sister Cecilia Jacko on July 13, 2024.

Father Donald Buchleitner delivers the homily during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

The tabernacle in Our Lady of the Angels Chapel at Mt. Assisi Place, as adorned for Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sister Marian Sgriccia, provincial minister of the School Sisters of St. Francis, lights a candle during the 2024 Jubilee Mass.

With Sisters Marian Sgriccia (provincial minister) and Mary Xavier Bomberger (provincial vicar) at her side, Sister Cecilia Jacko renews her vows during her 75th Jubilee Mass on July 13, 2024.

Father Richard Zelik watches as Sister Cecilia Jacko renews her vows during her 75th Jubilee Mass on July 13, 2024.

Father Richard Zelik offers blessings to Sister Cecilia Jacko during her 75th Jubilee Mass on July 13, 2024.

Stephanie Francis, great niece of Sister Cecilia Jacko, reads the Prayers of the Faithful during Sister's 75th Jubilee Mass on July 13, 2024.

Cora Russell and Lucy Dallvechio, great-great nieces of Sister Cecilia Jacko, carry flowers in memory of deceased Sisters during Sister Cecilia's 75th Jubilee Mass on July 13, 2024.

Quinn Dallvechio and Wesley Russell, great-great nephews of Sister Cecilia Jacko, participate in the offertory procession during Sister's 75th Jubilee Mass on July 13, 2024.

Young members of the Jacko Family carry daisies in memory of deceased family members during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Dominic Guzur and Isaac Guzur, great-great nephews of Sister Cecilia Jacko, participate in the offertory procession during Sister's 75th Jubilee Mass on July 13, 2024.

Young members of the Jacko Family form the offertory procession during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Young members of the Jacko Family form the offertory procession during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sister Kevin Berdis guides young members of the Jacko Family in the offertory procession during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Young members of the Jacko Family form the offertory procession during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sisters Patricia Ann Mahoney (left) and Lorita Kristufek serve as cantor and music minister for Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Members of the Jacko Family offer each other peace during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Members of the Jacko Family offer each other peace during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Sister Bernadine Marie Stemnock receives Communion from Father John Bachkay during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

Members of the School Sisters of St. Francis receive Communion from Father John Bachkay during Sister Cecilia Jacko's 75th Jubilee Mass on July 13, 2024.

A depiction of St. Francis as the Passionate Troubador sets the scene for Sister Cecilia Jacko's 75th Jubilee Celebration on July 13, 2024.

Members of the Jacko Family explore the many branches of their complex family tree during Sister Cecilia Jacko's 75th Jubilee celebration on July 13, 2024.

Friends and family fill the gymnasium at Mt. Assisi Place to celebrate Sister Cecilia Jacko's 75th Jubilee on July 13, 2024.

Sister Cecilia Jacko gets a little love from Sister Gracy Kundukulam during her 75th Jubilee celebration on July 13, 2024.

Sister Cecilia Jacko visits with family members during her 75th Jubilee celebration on July 13, 2024.

Sister Cecilia Jacko visits with family members during her 75th Jubilee celebration on July 13, 2024.

Sister Cecilia Jacko visits with family members during her 75th Jubilee celebration on July 13, 2024.

Sister Cecilia Jacko visits with family members during her 75th Jubilee celebration on July 13, 2024.

Members of the Jacko Family explore the many branches of their complex family tree during Sister Cecilia Jacko's 75th Jubilee celebration on July 13, 2024.

Sister Cecilia enjoys a nostalgic slideshow in her honor during her 75th Jubilee celebration on July 13, 2024.

Five generations of the Jacko Family gather for a family photo during Sister Cecilia Jacko's 75th Jubilee celebration on July 13, 2024.