Harrison is added as the son of Jeremiah simply due to his age and proximity.

LDS 1880 United States Census and National Index
Census Place: Belpre, Washington, Ohio
Source: FHL Film 1255075 National Archives Film T9-1075 Page 53D
Relation Sex Marr Race Age Birthplace
Harrison OLLOM Self M M W 35 OH. [born 1845] Occ: Pilot Fa: OH. Mo: OH.
Nettie A. OLLOM Wife F M W 32 OH. Occ: Keep House Fa: VA. Mo: PA.
Jessie E. OLLOM Dau F S W 8 OH. Fa: OH. Mo: OH.
Grace E. OLLOM Dau F S W 6 OH. Fa: OH. Mo: OH.
Eva KING Other F S W 22 MO. Occ: Servant Fa: PA. Mo: WI.

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J. Harison Ollom, 64, WV
Nettie A., 62, OH
Grace E., 36, OH
Elizabeth Brookhart, Mother-in-law, 82, PA