Harriet Rosabell Harper was born in the covenant on 16 February 1879 in Pleasant Grove, Utah, Utah, United States to Charles Benjamin Harper, age 31, and Harriet Gibbons, age 28. She was the 4th of 9 children, and the 2nd of 5 daughters, born to the couple. Her older siblings were: Charles Benjamin, Jr., was born 25 May 1873; Sarah Elizabeth, born 31 May 1877; and Jacob Ray, born 31 May 1877, also in Pleasant Grove. Sadly, Jacob Ray died on 9 August 1877, when he was only 2 months 9 days old.
When Harriet Rosabell was 2 years old, her brother Abraham Lee was born on 17 October 1881 in Pleasant Grove.
On 24 January 1884, when Harriet Rosabell was 4 years old, her sister Grace Viola was born in Pleasant Grove.
Harriet Rosabell died at the age of 4 on 10 February 1884 in Pleasant Grove. She was buried in August 1877 at Pleasant Grove City Cemetery, which is located at 500 North Main in Pleasant Grove. Her plot is A-05-005-09.