She has 2 one named Kayla McCormick (who is younger) and an older one I forgot her name
Yes, she does have a sister. She is three years older than her sister. They do not look alike at all.
Sierra McCormick is the niece of Maureen McCormick. Maureen McCormick is best known for her role as Marcia Brady on "The Brady Bunch," while Sierra McCormick is an actress known for her roles in various television shows and films. Their familial connection is through Maureen's sibling, making Sierra her niece rather than a cousin.
Yes
Yes, Sierra McCormick was one of the 5 fifth graders to appear in the game show, Are You Smarter Than A Fifth Grader in 2007-2008.
Your little sister can be taller than you when she's older. If your sister takes after your dad and you take after your mother, you may be shorter than your sister as you get older.
No. Albert was about 3 years older than his sister.
Mozart's sister was five years older than he was.
No, but she has a younger sister.
Hitler did have a sister, Ida, who was older than he was, but she died in childhood. His other sister, Paula, who survived childhood, was younger than Hitler. Hitler also had a half-sister, called Angela, who was 6 years older than him, from his father's second marriage to Franziska Matzelsberger.
Yes, Pugsley is older than his LITTLE sister, Wedensday, by about a year or so.
She's older.
I just saw her on Are You Smarter Than a Fifth Grader (2008). I think that is where she became famous. But I may be wrong.