Was a carpenter like his father. He died about 1882 when his son Herbert Vincent was two years old. (Info orally from my father, John H. who was named for his Grandfather)
The 1880 Census listed John H. Ackerman, age 20, occupation carpenter, living with his father-in-law in Acquackanonk Twp (now Clifton) with Herbert V. Ackerman, age 1. No Ida Mae (as we, her great-grandchildren knew her) was listed. There is a Mary I. age 20, Daughter, listed which fits.
More About John H. Ackerman: Date born 2: 15 Aug 1859, Totowa, NJ (?).31 Burial: 22 Aug 1893, Cedar Lawn Cem., Paterson NJ. Died 2: Aft. 1880, Paterson, Passaic Co., NJ(?).31
More About John H. Ackerman and Mary Ida Brower: Marriage: 18 Sep 1878
Children of John H. Ackerman and Mary Ida Brower are:
+Herbert Vincent Ackerman, b. Abt. 1877, Acquackanonk Twp., Passaic Co., NJ31, d. Abt. 1951, Washington Twp., Morris Co. NJ31.