"I think she was very influential and she was part of his administration wholeheartedly, and it's very sad that she passed away," said Loretta Andrayo of Venice, Florida.
"Oh I definitely think she had the president's ear," said Ken Andrayo of Venice, Florida. "I think she ruled the roost."
Earlier at Independence Mall, tourists were recalling the 1980s when Nancy Reagan made her mark.
"She did a lot for the country. Her say no to drugs, that was big when I was young so that impacted me a lot," said George Poulin of Manchester, New Hampshire.
"Absolutely, she's very memorable. I think for the most part what sticks out in my mind was her fight against drugs and 'Just say no' campaign that she brought to America," said Lance Angle of Indianapolis, Indiana.
Canadian tourists we spoke with say they remember Nancy Reagan fondly.
"She was always with Ronald Reagan, always. She was always by his side. Nice lady," said Les Bibby of Ontario, Canada.
One woman recalled how she fiercely protected her husband.
"I loved the way she used to whisper into Ronald's ear. You know, if he'd forgotten a word or something, she would coach him on what to say," said Margaret Stewart of Ontario Canada.
At Nancy Reagan's invitation, New Jersey Gov. Chris Christie spoke at the Ronald Reagan Presidential Library in 2011. A memory the governor says he'll always treasure.
In a statement, Christie said, "Nancy Reagan was the rock behind one of the greatest leaders of our time. She was her husband's greatest source of strength through the toughest decisions he made as president. She embodied grace and poise for generations of Americans."
My statement on the passing of Former First Lady Nancy Reagan: pic.twitter.com/Kv3zXy0IjF— Governor Christie (@GovChristie) March 6, 2016
Pennsylvania Gov. Tom Wolf tweeted: "Saddened by the loss of former First Lady Nancy Reagan who lived an incredible American life. May she rest in peace."
Saddened by the loss of former First Lady Nancy Reagan who lived an incredible American life. May she rest in peace.— Governor Tom Wolf (@GovernorTomWolf) March 6, 2016
For many, Nancy Reagan is remembered as someone who brought strength and elegance to the White House.
"Her demeanor, just really classy, very warm person. She just fit the ladies really good," said Lisa Dunlow of Windsor, North Carolina.