MC
Mildred Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Hillsdale-County, Michigan
Our Model Tree links this Mildred Campbell across the 1930 and 1940 US Censuses in Hillsdale-County, Michigan (XGBoost, ~Confirmed) — first a daughter (b.~1919), then head of a 8-person household.
Age 21
b. ~1919
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hillsdale-County, Michigan |
| Surname | Campbell |
| Given Name | Mildred E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Camden Township |
| 1935 Residence (County) | Hillsdale |
| Additional Details | |
| Occupation | Housework |
| Industry | Private homes |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 190 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Housework |
| Township / Ward | Camden Township |
| Est. Birth Year | ~1919 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Mildred Campbell | Daughter | — | 21 | ~1919 |
| Verle Campbell | Spouse | — | 49 | ~1891 |
| Joy Campbell | Daughter | — | 8 | ~1932 |
| Roland Campbell | Son | — | 11 | ~1929 |
| Violet Campbell | Daughter | — | 14 | ~1926 |
| Howard Campbell | Son | — | 19 | ~1921 |
| Grover Campbell | Son | — | 18 | ~1922 |
| Mitchell Campbell | Head | — | 52 | ~1888 |
Census Appearances
1930
Hillsdale, Michigan
Daughter, age 11
Hillsdale, Michigan · implied b. ~1919 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Indiana |
| Mother's Birthplace | Ohio |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Hillsdale-County, Michigan
Daughter, age 21
Hillsdale-County, Michigan · implied b. ~1919 — 8 household members
| Surname | Campbell |
| Given Name | Mildred E |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Camden Township |
| 1935 Residence (County) | Hillsdale |
| Occupation | Housework |
| Industry | Private homes |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 190 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 Mildred Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mildred Campbell
Daughter · 1940 · age 21 · b. ~1919 · Michigan
★ You are viewing this record
Sibling
Joy Campbell
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Grover Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Violet Campbell
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roland Campbell
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Campbell
Sibling · 1940 · age 19
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
1940 US Federal Census — Hillsdale-County, Michigan
Open full size
1940 US Federal Census — Hillsdale-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01755-00194)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Glenna D Bidlack | 13 | daughter | — | Michigan |
| 42 | Deloras J Bidlack | 2 | daughter | — | Michigan |
| 43 | Elmer Chamberlain | 48 | head | Farmer | Ohio |
| 44 | Ruth M Chamberlain | 39 | wife | — | Ohio |
| 45 | Richard E Chamberlain | 13 | son | Farm Hand | Ohio |
| 46 | Morris L Chamberlain | 12 | son | — | Ohio |
| 47 | Jackie E Chamberlain | 11 | son | — | Ohio |
| 48 | Robert D Chamberlain | 6 | son | — | Ohio |
| 49 | M. Ulenian Chamberlain | 5 | son | — | Ohio |
| 50 | Relmond N Chamberlain | 0 | son | — | Ohio |
| 51 | Charles H Gunn | 65 | head | Farmer | Indiana |
| 52 | Edith A Gunn | 63 | wife | — | Indiana |
| 53 | Cyrus M Stout | 51 | head | Farmer | Michigan |
| 54 | Goldia E Stout | 42 | wife | — | Ohio |
| 55 | Joan L Stout | 9 | daughter | — | Michigan |
| 56 | Joe W Sharp | 24 | head | Farmer | Ohio |
| 57 | Lilah K Sharp | 20 | wife | — | Michigan |
| 58 | Wayne J Sharp | 2 | son | — | Michigan |
| 59 | Deland Knapp | 22 | head | Truck Driver | Ohio |
| 60 | Artella Knapp | 17 | wife | — | Michigan |
| 61 | Everett M Hinkle | 51 | head | Farmer | Michigan |
| 62 | Margaret Hinkle | 52 | wife | — | Michigan |
| 63 | Junior Hinkle | 16 | son | Farm Hand | Michigan |
| 64 | William Hinkle | 24 | head | Auctioneer | Michigan |
| 65 | Lilah Hinkle | 20 | wife | — | Michigan |
| 66 | Chauncey Schmachtenberger | 63 | head | Farmer | Ohio |
| 67 | Grace Schmachtenberger | 53 | wife | — | Ohio |
| 68 | Glen Kindigh | 51 | head | Farmer | Ohio |
| 69 | Myrtle Kindigh | 48 | wife | — | Ohio |
| 70 | Henry C Bill | 22 | head | Farm Hand | Indiana |
| 71 | Marcelle R Bill | 17 | daughter | — | Michigan |
| 72 | Ida G Bill | 1 | daughter | — | Michigan |
| 73 | Mitchell Campbell | 52 | head | Farmer | Ohio |
| 74 | Verle V Campbell | 49 | wife | — | Ohio |
| 75 | Mildred E Campbell THIS PERSON | 21 | daughter | Housework | Indiana |
| 76 | Howard W Campbell | 19 | son | Farmer | Indiana |
| 77 | Grover U Campbell | 18 | son | Farm Hand | Indiana |
| 78 | Violet V Campbell | 14 | daughter | — | Michigan |
| 79 | Roland Campbell | 11 | son | — | Michigan |
| 80 | Joy Campbell | 8 | daughter | — | Michigan |
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)