divination by examining letters of name
• (n.) The art or practice of divining the destiny of persons by the letters which form their names. • (n.) The art or practice of divining the destiny of persons by the letters which form their names.
No'man·cy noun [ Confer French nomancie , nomance , abbrev. from onomancie . See Onomancy .] The art or practice of divining the destiny of persons by the letters which form their names. 
nomancy, onomancy Divination from names or the letters of a name, as, the number of vowels in a name, the sum of the numerical value of the letters, or the like.