He was the son of Joseph T Gaskill (1820 – 1900) and Mary Emma (??)(1836 – ?).

Aaron was the husband of Elizabeth C. Estlow. They were married in about 1898.

Aaron and Elizabeth have been reported as having the following children: Walter L Gaskill 1898 – 1910, Phoebe Amanda Gaskill 1901 – 1977, and Wallace R Gaskill 1923 – 1983.

The US Census taken June 8, 1880 lists the following household members, all born in NJ and all living in Pemberton Twp., Burlington Co., NJ:

Joseph Gaskill 56 - Cooper
Mary E. Gaskill 40 - Wife
Ida Gaskill 10
Thomas Gaskill 8
Edith Gaskill 5
Aaron Gaskill 3<--THIS AARON
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The US Census taken June 14, 1900 lists the following household members, all born in NJ and all living in Pemberton Twp., Burlington Co., NJ:

Aaron Gaskill 23 b. Jun 1876 - No Occupation Listed
Elizabeth C Gaskill 19 b. Apr 1881 - Wife
Walter L Gaskill 1 month b. Apr 1900
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The US Census taken in 1910 lists the following household members, all born in NJ and all living in Eastampton Twp., Burlington Co., NJ:

Aaron R Gaskill 32 - Foundry Moulder
Elizabeth C Gaskill 29 - Wife
Phoebe A Gaskill 8
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The US Census taken January 18, 1920 lists the following household members, all born in NJ and all living in Riverside Twp., Burlington Co., NJ:

Aaron R Gaskill 42 - Metal Works Laborer
Elizebeth Gaskill 39 - Wife, Hosery Mill Presser
(Phoebe) Amanda Gaskill 18 - Hosery Mill Pairer
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The US Census taken April 10, 1930 lists the following household members, all born in NJ and all living in Riverside Twp., Burlington Co., NJ:

Aaron Gaskill 53 - Rolling Machine Operator
Elizabeth Gaskill 49 - Wife
Wallace Gaskill 6 - Son