Prescott Waite Daniels was a resident of Mansfield when he enlisted as a Private in Co. I of the 18th Regiment Connecticut Volunteer Infantry under the name of Prescott Waite; he transferred to Co. I, 1st United States Infantry May 23, 1865 and was discharged October 20, 1865.

He was born about 1840 in Connecticut. In the 1860 U.S. census in New London, he is enumerated as a 19 year old seaman born in Connecticut included among seamen registered at the U.S. Customs House in New London. After the Civil War, he returned to Connecticut and was working as a painter in Coventry in the 1880 U.S. census. Prescott Daniels married Rose H. Robinson between 1870 and 1880; they had no known children.

On December 2, 1886, he applied for an invalid pension under No. 590,465 that was granted under certificate No. 431,249. His widow applied for a pension on August 27, 1892.

On May 11, 1889, he applied for an invalid pension under No. 703,195 that was granted under certificate No. 483,005.

Prescott Waite Daniels died on November 29, 1892 and is buried at the Nathan Hale Cemetery in Coventry.