MC
Mildred Campbell — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Indiana
Our Model Tree links this Mildred Campbell across the 1920, 1930 and 1940 US Censuses in Marion-County, Indiana (XGBoost, ~Confirmed), with identified parents Sam & Samuel — first a daughter (b.~1907), then head of a 5-person household.
Age 33
b. ~1907
Female
Daughter
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Indiana |
| Surname | Campbell |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Public School |
| Industry | PW |
| Class of Worker | 3491 |
| Income (1939) | 1843 |
| Highest Grade | C 4 |
| 1935 Residence | 39 |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Occupation | Public School |
| Township / Ward | Indianapolis |
| Est. Birth Year | ~1907 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mildred | Age | Birth yr |
|---|---|---|---|---|
| Lillie Campbell | Spouse | — | 57 | ~1883 |
| Sam Campbell | Head | — | 57 | ~1883 |
| Dorothy Mcdowell | Daughter | — | 27 | ~1913 |
| Mildred Campbell | Daughter | — | 33 | ~1907 |
| Francis Mcdowell | Other | — | 26 | ~1914 |
Census Appearances
1920
Marion, Indiana
Daughter, age 13
Marion, Indiana · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mildred F. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1930
Marion, Indiana
Daughter, age 23
Marion, Indiana · implied b. ~1907 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Mildred F |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Indiana |
| Occupation | Teacher |
| Industry | High School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Marion-County, Indiana
Daughter, age 33
Marion-County, Indiana · implied b. ~1907 — 5 household members
| Surname | Campbell |
| Given Name | Mildred |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 33 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Indianapolis |
| 1935 Residence (County) | Marion |
| Occupation | Public School |
| Industry | PW |
| Class of Worker | 3491 |
| Income (1939) | 1843 |
| Highest Grade | C 4 |
| 1935 Residence | 39 |
| 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 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Sam Campbell (~0.92 confidence) and father Samuel Campbell (~0.92 confidence) and father Samuel Campbell (~0.92 confidence) and mother Lillie Campbell (~0.92 confidence) and mother Lottie Campbell (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Sam Campbell
b. ~1883
Source father
● Household
· direct · ~0.92
Father
Samuel Campbell
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Samuel Campbell
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Lillie Campbell
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Lottie Campbell
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mildred Campbell
Daughter · 1940 · age 33 · b. ~1907 · Indiana
★ You are viewing this record
Sibling
Dorothy Mcdowell
Sibling · 1940 · age 27
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 — Marion-County, Indiana
Open full size
1940 US Federal Census — Marion-County, Indiana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01130-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Louisa M Rhea | 84 | Aunt | — | Indiana |
| 42 | Errol Carler|Carter | 40 | Head | Electric Utility | Minnesota |
| 43 | Elaine Carler|Carter | 16 | Daughter | — | New Jersey |
| 44 | Errol Carler|Carter | 12 | Son | — | New Jersey |
| 45 | Sam Campbell | 57 | Head | Advertising | Kansas |
| 46 | Lillie Campbell | 57 | Wife | — | Indiana |
| 47 | Mildred Campbell THIS PERSON | 33 | Daughter | Public School | Indiana |
| 48 | Francis Mcdowell | 26 | Son-in-law | Public School | Michigan |
| 49 | Dorothy Mcdowell | 27 | Daughter | — | Indiana |
| 50 | John Dempsey | 66 | Head | — | Indiana |
| 51 | Nellie Dempsey | 71 | Wife | — | Indiana |
| 52 | Rush Gibbs | 45 | Head | Corrugated Fiber Box Co | Indiana |
| 53 | Annabel Gibbs | 41 | Wife | — | Indiana |
| 54 | Jean Gibbs | 19 | Daughter | — | Indiana |
| 55 | C. B. Ludwig | 47 | Head | Private Practice | Illinois |
| 56 | Lucile Ludwig | 44 | Wife | — | Indiana |
| 57 | Margaret Ann Ludwig | 17 | Daughter | — | Indiana |
| 58 | N. F. Oster | 49 | Brother-in-law | P.W.A. | Indiana |
| 59 | Mary Oster | 45 | Sister | — | Maryland |
| 60 | Ray L. Brown | 43 | Head | Electric Supplies | Indiana |
| 61 | Audrey Brown | 40 | Wife | — | Indiana |
| 62 | Audrey Ann Brown | 18 | Daughter | — | Indiana |
| 63 | Jonelle Brown | 10 | Daughter | — | Indiana |
| 64 | Helen Willhoite | 33 | Maid | Private Home | Michigan |
| 65 | Harvey V. Harter | 61 | Head | Private Practice | Indiana |
| 66 | Bess Harter | 63 | Wife | — | Indiana |
| 67 | Helen Harter | 22 | Son | — | New York |
| 68 | Robert Harter | 20 | Son | — | New York |
| 69 | Calby Vanwostrum | 31 | Son-in-law | Metal Industry | New Jersey |
| 70 | Edith Vanwostrum | 20 | Daughter | — | New York |
| 71 | Karen Vanwostrum | 1 | Granddaughter | 0 | Indiana |
| 72 | Newton M Goudy | 34 | Head | Government | Ohio |
| 73 | Fern Goudy | 33 | Wife | — | Indiana |
| 74 | Jack Goudy | 13 | Son | — | Indiana |
| 75 | Joe Goudy | 10 | Son | — | Indiana |
| 76 | Ora M Boyatt | 66 | Head | Wholesale Hardware | Indiana |
| 77 | Grace Boyatt | 63 | Wife | — | Indiana |
| 78 | Howard Caldwell | 46 | Head | Advertising | Indiana |
| 79 | Alice Caldwell | 46 | Wife | — | Indiana |
| 80 | Virginia Caldwell | 21 | Daughter | — | Indiana |
Pedigree Summary
Mildred + 1 sibling
Gen 1 · 5 parents
~0.92
Max depth 4 (1900–1950 window)
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)