HC
Harry Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Montgomery-County, Ohio
Our Model Tree links this Harry Campbell across the 1930 and 1940 US Censuses in Montgomery-County, Ohio (XGBoost, ~Confirmed) — first a head (b.~1893), then head of a 15-person household.
Age 47
b. ~1893
Male
Head
Born: Virginia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Ohio |
| Surname | Campbell |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Additional Details | |
| Occupation | Fireman |
| Industry | Fire Dept |
| Class of Worker | PW |
| Hours Worked | 96 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Fireman |
| Est. Birth Year | ~1893 |
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.
15 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harry | Age | Birth yr |
|---|---|---|---|---|
| Marcella Campbell | Daughter | — | 15 | ~1925 |
| Rose Campbell | Daughter | — | 19 | ~1921 |
| William Campbell | Son | — | 7 | ~1933 |
| Harry Campbell | Head | — | 47 | ~1893 |
| John Campbell | Son | — | 23 | ~1917 |
| Richard Campbell | Son | — | 17 | ~1923 |
| Charles Campbell | Son | — | 2 | ~1938 |
| Jerome Campbell | Son | — | 4 | ~1936 |
| Agnes Campbell | Daughter | — | 22 | ~1918 |
| Eugene Campbell | Son | — | 8 | ~1932 |
| Patricia Campbell | Daughter | — | 13 | ~1927 |
| Susan Campbell | Daughter | — | 10 | ~1930 |
| Coletta Campbell | Daughter | — | 11 | ~1929 |
| Francis Campbell | Son | — | 6 | ~1934 |
| Edith Campbell | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Montgomery, Ohio
Head, age 37
Montgomery, Ohio · implied b. ~1893 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 37 |
| Marital Status | Married |
| Birthplace | Virginia |
| Age at First Marriage | 21 |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Occupation | Fireman |
| Industry | Fire Dept |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 4500 |
| Veteran | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Montgomery-County, Ohio
Head, age 47
Montgomery-County, Ohio · implied b. ~1893 — 15 household members
| Surname | Campbell |
| Given Name | Harry |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Virginia |
| 1935 Residence (City) | Montgomery |
| 1935 Residence (County) | Montgomery |
| Occupation | Fireman |
| Industry | Fire Dept |
| Class of Worker | PW |
| Hours Worked | 96 |
| Income (1939) | 600 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harry Campbell
Head · 1940 · age 47 · b. ~1893 · Ohio
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Ohio
Open full size
1940 US Federal Census — Montgomery-County, Ohio
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03256-00461)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Gale Harmeling | 9 | Son | — | Ohio |
| 42 | Carolyn | 4 | Daughter | — | Ohio |
| 43 | Laura Blount | 46 | Head | Laborer | Kentucky |
| 44 | Lorena Blount | 27 | Daughter | Waitress | Kentucky |
| 45 | Thomas Gore | 41 | Head | Job Setter | W. Virginia |
| 46 | Dorothy Gore | 24 | Wife | — | Ohio |
| 47 | Mary Gore | 2 | Daughter | — | Ohio |
| 48 | Jesse Mann | 48 | Head | Punch Press | Kentucky |
| 49 | Bessie Mann | 44 | Wife | — | Kentucky |
| 50 | Martha Mann | 17 | Daughter | — | Kentucky |
| 51 | Ethel Mann | 10 | Daughter | — | Ohio |
| 52 | Harry Campbell THIS PERSON | 47 | Head | Fireman | Virginia |
| 53 | Edith Campbell | 44 | Wife | — | Tenn. |
| 54 | John Campbell | 23 | Son | — | Virginia |
| 55 | Agnes Campbell | 22 | Daughter | Stator Winder | Ohio |
| 56 | Rose Marie Campbell | 19 | Daughter | House Work | Ohio |
| 57 | Richard Campbell | 17 | Son | — | Ohio |
| 58 | Marcella Campbell | 15 | Daughter | — | Ohio |
| 59 | Patricia Campbell | 13 | Daughter | — | Ohio |
| 60 | Coletta Campbell | 11 | Daughter | — | Ohio |
| 61 | Susan Campbell | 10 | Daughter | — | Ohio |
| 62 | Eugene Campbell | 8 | Son | — | Ohio |
| 63 | William Campbell | 7 | Son | — | Ohio |
| 64 | Francis Campbell | 6 | Son | — | Ohio |
| 65 | Jerome Campbell | 4 | Son | — | Ohio |
| 66 | Charles Campbell | 2 | Son | — | Ohio |
| 67 | Stephen Donisi | 63 | Head | Clerk | Italy |
| 68 | Nancy Donisi | 44 | Wife | — | Italy |
| 69 | George Donisi | 21 | Son | Packing House | Ohio |
| 70 | Sammy Donisi | 20 | Son | New Worker | Ohio |
| 71 | Lucy Tucker | 79 | Head | — | Ohio |
| 72 | Stella Becker | 61 | Daughter | Laborer | Ohio |
| 73 | Ralph Steinbrugge | 26 | Head | Assembler | Ohio |
| 74 | Margaret Steinbrugge | 27 | Wife | — | Ohio |
| 75 | Adolph Steinbrugge | 3 | Son | — | Ohio |
| 76 | Edward Steinbrugge | 1 | Son | — | Ohio |
| 77 | Henry Hilker | 53 | Head | Machinist | Ohio |
| 78 | Rose Hilker | 53 | Wife | — | Ohio |
| 79 | Dorothy Hilker | 16 | Daughter | — | Ohio |
| 80 | Alfred Coughlin | 26 | Head | Truck Driver | Ohio |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)