One of the 5 fatalities of the North Carolina shooting was to be married in two weeks

By Marlene Lenthang and Jamie Morrison —

CLAYTON, North Carolina — One of the victims of Thursday night's mass shooting in Raleigh, North Carolina, was to be married in two weeks.

Now, Mary Marshall's wedding day will become a celebration of life ceremony, her sister said. 

Marshall, 35, was a much-loved sister and aunt who was scheduled to marry fiancé Rob on Oct. 29, her sister Meaghan McCrickard told NBC News on Friday.

[Suspect in North Carolina shooting that left at least 5 dead is a 15-year-old white man and is in serious condition]

"Her fiancé Rob was just the love of her life," McCrickard said.

"I think we're still

that's the plan for the wedding date."

"She had a friend who will come from Japan, someone who will come from Florida, from Texas," he said, "as excited as she was to get married, I know she was more excited to have all the people she loved the most in the same place and at the same time". 

Mary Marshall, right, with her sister, Meaghan McCrickard, and her mother, Ginny Marshall.Meaghan McCrickard

Marshall and his fiancé had rented two large cabins in the mountains, and since they loved Halloween, they were going to decorate the space with pumpkins. 

McCrickard said. 

She described her sister, who is three years her junior, as

and her "best friend."

She was

and loved spending time with her nieces.

[Jury rejects the death penalty and recommends life in prison for Nikolas Cruz, perpetrator of the Parkland massacre]

At the time of the shooting, Marshall was taking his dog Scruff for a walk on the Neuse River Greenway trail.

He “called her fiancé Rob and said, I'm walking the dog, I'm hearing gunshots, can you come home?

And that was the last conversation they had," McCrickard said.

Marshall's dog "sat with her [the sister] all night and didn't leave," she added.

Marshall spent four years in the Navy in California, but also spent time in Asia, including Japan, his sister said.

After serving, Marshall earned a degree in pastry. 

Mary Marshall.via Facebook

He was also the manager of a small chiropractic office in Raleigh. 

“She helped grow it into a much larger, multi-vendor practice and was the heart and soul of that office,” McCrickard explained.

"The entire office staff was with my parents and their fiancé last night out of the neighborhood." 

After the tragedy, the family is "stunned" and "disbelieving" and their parents are "shattered".

[“Justice has not been done”: relatives of victims of Nikolas Cruz react to the verdict that frees him from the death penalty]

Ginny Marshall, Marshall's mother, sobbed as she spoke of the loss of her daughter. 

she lamented, tears running down her cheeks.

"We do not know what to do".

McCrickard said he wants the shooter, identified by police as a 15-year-old in critical condition, to survive and face justice. 

“I want him to know what he did and how he completely destroyed our lives and we will never be the same.

I don't want him to get away with it,” she noted.

“She was a being of light.

She loved everyone.

She was the most loyal and caring person I have ever met.

And we just want people to know that," McCrickard recalled.