The following DANIELS families are in Jersey City, Hudson Co, NJ in the 1880 census:
DANIELS, Charles age 36 b. England, both parents b. England, butcher wife Charlotte age 32 b. England, both parents b. England dau Margaret age 5 b. NJ dau Catherine age 4 b. NY dau Milicent age 1 b. NJ
According to a birth record for a son named Edward born in 1888, the above Charlotte's maiden name was CLEGG.There are a couple of death records for infant children of the above couple, but none for Charles or unnamed male infant in Feb 1879.
DANIELS, Julia age 55, b. Ireland, both parents b. Ireland, widow, seamstress
DANIELS, J.R. age 43 b. NJ, both parents b. NJ, minister wife Abigail A. age 42 b. NJ, both parents b. NJ dau Mary S. age 17 b. NJ son Morris S. age 14 b. NJ son John H. age 12 b. NJ dau Emma M. age 10 b. NJ other FORD, Doila age 17 b. Ireland
DANIELS, David age 25 b. NY, both parents b. NY, clothing salesman wife Ella age 20 b. NY, both parents b. NY
David and Ella appear to have lost an unnamed male infant on 10-Feb-1879.I can only see an index and not the details of the death record, so I do not know how old this infant was and if he was truly unnamed.
DANIELS, Margaret age 50 b. NC, both parents b. NC, wash woman dau Julia age 14 b. NC son Cornelius age 12 b. NC
DANIELS, Byron age 26 b. MA, both parents b. MA, fruit dealer wife Jennie age 21 b. NJ, both parents b. NJ son William age 5 b. NJ son Bertie B. age 2 b. NJ
According to a birth record for a son named Charles born in 1890, the above Jennie's maiden name was GRIFFITHS.
DANIELS, James age 59 b. NY, both parents b. NY, grain merchant wife Adeliza age 58 b. NY, both parents b. NY dau Mary age 23 b. NY other LANAHAN, Kate age 28 b. Ireland
DANIELS, Charles age 34 b. NY, both parents b. Ireland, book keeper other DANIELS, Anna M. age 35 b. NY, both parents b. Scotland mother REID, Hellen age 69 b. Scotland
I looked for marriage records in NJ and NY for DANIELS to BARTON and found none.