Ella J. Cooley

Notes:

Middle initial could be C, E, S, or J. The 1870 US Census "J" is the clearest.
From four census Ella ? Cooley is found in the Andrew S Cooley household. Her census-estimated birth year is 1850. In the 1870 US census she is still in the same household aged 20 and her occupation is "seamstress". After 1870 she disappears from all online records. There are slight possibilities for her existence all the way to 1900 but nothing definitive can be drawn from any of the Ella Cooleys since 1870. One thing is certain: She is NOT Ella Isadore Cooley who died in 1869 as shown in several Ancestry family trees (Dec 2020).