HC
Harry Campbell — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Hardin, Ohio
Our Model Tree links this Harry Campbell across the 1900 and 1910 US Censuses in Hardin, Ohio (XGBoost, ~Confirmed) — first a son (b.~1890), then head of a 10-person household.
Age 20
b. ~1890
Male
Son
Born: Ohio
Single
1910 Census Record Details
| Census Year | 1910 |
| Location | Hardin, Ohio |
| Surname | Campbell |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Occupation | Operator |
| Industry | Telegraph |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
| Occupation | Operator |
| Township / Ward | Alger Village |
| Est. Birth Year | ~1890 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
10 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Bertie Campbell | Son | — | 19 | ~1891 |
| Robert Campbell | Son | — | 22 | ~1888 |
| Alex Campbell | Head | — | 48 | ~1862 |
| Ralph Campbell | Son | — | 7 | ~1903 |
| Harry Campbell | Son | — | 20 | ~1890 |
| Millard Campbell | Son | — | 6 | ~1904 |
| Essie Campbell | Daughter | — | 16 | ~1894 |
| Reva Campbell | Daughter | — | 13 | ~1897 |
| Frank Campbell | Son | — | 17 | ~1893 |
| Dale Campbell | Son | — | 9 | ~1901 |
Census Appearances
1900
Hardin, Ohio
Son, age 11
Hardin, Ohio · implied b. ~1889 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Harley |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Ohio |
| Birth Month | May |
| Birth Year | 1889 |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
1910
Hardin, Ohio
Son, age 20
Hardin, Ohio · implied b. ~1890 — 10 household members
| Surname | Campbell |
| Given Name | Harry |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Ohio |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Indiana |
| Occupation | Operator |
| Industry | Telegraph |
| Birth State | Ohio |
| Birth Country | United States |
| Birthplace (normalized) | ohio |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Harry Campbell across 2 US Census years (1900 and 1910) in Hardin, Ohio, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Campbell
Son · 1910 · age 20 · b. ~1890 · Ohio
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Sibling
Frank Campbell
Sibling · 1910 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bertie Campbell
Sibling · 1910 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Reva Campbell
Sibling · 1910 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Campbell
Sibling · 1910 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Millard Campbell
Sibling · 1910 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dale Campbell
Sibling · 1910 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Campbell
Sibling · 1910 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Essie Campbell
Sibling · 1910 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Hardin, Ohio
Open full size
1910 US Federal Census — Hardin, Ohio
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po1187unit:0981)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | S. H. Clark | 64 | Head | Manager | Ohio |
| 2 | Sarah Clark | 62 | Wife | — | Ohio |
| 3 | Montville Fred Clark | 30 | Son-in-law | — | New York |
| 4 | Emma Clark | 42 | Daughter | — | Michigan |
| 5 | Hurst Clark | 14 | Grandson | — | Ohio |
| 6 | C. C. Clark | 37 | Head | Contractor | Ohio |
| 7 | Nettie Clark | 35 | Wife | — | Ohio |
| 8 | Ruth Clark | 16 | Daughter | — | Ohio |
| 9 | H. G. Clark | 31 | Head | Salesman | Ohio |
| 10 | Grace Clark | 31 | Wife | — | Virginia |
| 11 | Lymand Clark | 7 | Son | — | Virginia |
| 12 | Levon Clark | 4 | Daughter | — | Virginia |
| 13 | Leola Clark | 2 | Daughter | — | Ohio |
| 14 | Katherine Clark | 0 | Daughter | — | Ohio |
| 15 | Jesse Morris | 36 | Head | Foreman | Ohio |
| 16 | Jennie Morris | 37 | Wife | — | Ohio |
| 17 | Stella Shockey | 43 | Head | Bookkeeper | Ohio |
| 18 | Alex Campbell | 48 | Head | — | Indiana |
| 19 | Robert Campbell | 22 | Son | Fireman | Ohio |
| 20 | Harry Campbell THIS PERSON | 20 | Son | Operator | Ohio |
| 21 | Bertie Campbell | 19 | Son | — | Ohio |
| 22 | Frank Campbell | 17 | Son | — | Ohio |
| 23 | Essie Campbell | 16 | Daughter | — | Ohio |
| 24 | Reva Campbell | 13 | Daughter | — | Ohio |
| 25 | Dale Campbell | 9 | Son | — | Ohio |
| 26 | Ralph Campbell | 7 | Son | — | Ohio |
| 27 | Millard Campbell | 6 | Son | — | Ohio |
| 28 | John Myers | 70 | Head | — | Ohio |
| 29 | Ellen Myers | 60 | Wife | — | Ohio |
| 30 | Emma Irwin | 48 | Head | — | Ohio |
| 31 | John Irwin | 29 | Son | Laborer | Ohio |
| 32 | Thad Irwin | 27 | Son | Blacksmith | Ohio |
| 33 | Jessie Mickers | 25 | Daughter | — | Ohio |
| 34 | Dean Irwin | 4 | Son | — | Ohio |
| 35 | Frank Spencer | 45 | Head | Farmer | Ohio |
| 36 | Rose Spencer | 36 | Wife | — | Ohio |
| 37 | Iory Belle Spencer | 14 | Daughter | — | Ohio |
| 38 | Alta Spencer | 9 | Daughter | — | Ohio |
| 39 | Nellie Spencer | 6 | Daughter | — | Ohio |
| 40 | W. P. Johnson | 42 | Head | Foreman | Ohio |
| 41 | Mary Johnson | 39 | Wife | — | Ohio |
| 42 | Mary Johnson | 17 | Daughter | — | Ohio |
| 43 | Grant Johnson | 15 | Son | — | Ohio |
| 44 | Ruth Johnson | 14 | Daughter | — | Ohio |
| 45 | Eli Porter | 68 | Head | Farmer | Ohio |
| 46 | Rachael Porter | 60 | Wife | — | Ohio |
| 47 | Deloy Porter | 2 | Grand-son | — | Ohio |
| 48 | Lafayette Copeland | 58 | Head | — | Ohio |
| 49 | Mary Copeland | 52 | Wife | — | Ohio |
| 50 | Shermet Keifer | 40 | Head | Salesman | Ohio |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)