IC
Ida Campbell — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Ida Campbell across the 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed) — first a daughter (b.~1923), then head of a 11-person household.
Age 17
b. ~1923
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Campbell |
| Given Name | Ida M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Occupation | New Worker |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | New Worker |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1923 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ida | Age | Birth yr |
|---|---|---|---|---|
| Thomas Campbell | Son | — | 18 | ~1922 |
| Ida Campbell | Daughter | — | 17 | ~1923 |
| Iva Michael | Daughter | — | 25 | ~1915 |
| Helen Reabe | Daughter | — | 15 | ~1925 |
| Thomas Campbell | Head | — | 48 | ~1892 |
| Mary Campbell | Daughter | — | 9 | ~1931 |
| Ona Campbell | Spouse | — | 44 | ~1896 |
| Pearl Campbell | Son | — | 6 | ~1934 |
| Charles Campbell | Son | — | 4 | ~1936 |
| Ona Reed | Daughter | — | 23 | ~1917 |
| Ruth Colma | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Sangamon, Illinois
Daughter, age 7
Sangamon, Illinois · implied b. ~1923 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Campbell |
| Given Name | Ida M |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Daughter, age 17
Sangamon-County, Illinois · implied b. ~1923 — 11 household members
| Surname | Campbell |
| Given Name | Ida M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Occupation | New Worker |
| Hours Worked | 0 |
| Income (1939) | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Ida Campbell across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Ida Campbell
Daughter · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Ona Reed
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Reabe
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Pearl Campbell
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Campbell
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ruth Colma
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Iva Michael
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Campbell
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Campbell
Sibling · 1940 · age 4
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 — Sangamon-County, Illinois
Open full size
1940 US Federal Census — Sangamon-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00884-00748)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Watson | None | — | — | — |
| 42 | Anthony Yakst | 45 | Head | Proprietor | Lithuania |
| 43 | Paul Yakst | 81 | Father | — | Lithuania |
| 44 | Ann Yakst | 79 | Mother | — | Lithuania |
| 45 | Mona Petrovich | 42 | Sister | Grocery Clerk | Lithuania |
| 46 | Frances Petrovich | 17 | Niece | — | Illinois |
| 47 | Rilla Mcclain | 40 | Head | Laborer | Illinois |
| 48 | Jean Mcclain | 33 | Wife | — | Illinois |
| 49 | John Mcclain | 12 | Son | — | Illinois |
| 50 | Alec Oberman | 43 | Head | Proprietor | Russia |
| 51 | Bessie Oberman | 41 | Wife | — | Russia |
| 52 | Morton Oberman | 18 | Son | — | Missouri |
| 53 | Ethel M. Oberman | 12 | Daughter | — | Illinois |
| 54 | Jacob Oberman | 69 | Father | — | Russia |
| 55 | Minnie Oberman | 68 | Mother | — | Russia |
| 56 | William Urban | 23 | Head | Mattress Maker | Illinois |
| 57 | Anna Urban | 19 | Wife | Folder | Illinois |
| 58 | Ernest Smith | 24 | Head | Supervising Clerk | Illinois |
| 59 | Irene Smith | 24 | Wife | — | Illinois |
| 60 | Joan Smith | 2 | Daughter | — | Illinois |
| 61 | Mike Cavall | 54 | Head | Coal Miner | Hungary |
| 62 | Richard Patter | 81 | Head | Superintendent | England |
| 63 | Irene Hamrick | 29 | Daughter | — | Illinois |
| 64 | Delores Hamrick | 9 | Granddaughter | — | Illinois |
| 65 | John Sr. Mcdermott | 73 | Head | — | Illinois |
| 66 | Bertha Mcdermott | 60 | Wife | — | Indiana |
| 67 | William C. Mcdermott | 30 | Son | Coal Miner | Indiana |
| 68 | Thomas Campbell | 48 | Head | Labourer | Illinois |
| 69 | Ona Campbell | 44 | Wife | — | Illinois |
| 70 | Ida M. Campbell THIS PERSON | 17 | Daughter | New Worker | Illinois |
| 71 | Mary Campbell | 9 | Daughter | — | Illinois |
| 72 | Thomas Campbell | 18 | Son | New Worker | Illinois |
| 73 | Pearl Campbell | 6 | Son | — | Illinois |
| 74 | Charles Campbell | 4 | Son | — | Illinois |
| 75 | Iva Michael | 25 | Daughter | — | Illinois |
| 76 | Ruth Colma | 18 | Daughter | — | Illinois |
| 77 | Helen Reabe | 15 | Daughter | — | Illinois |
| 78 | Ona Reed | 23 | Daughter | — | Illinois |
| 79 | Adam Razemetzky | 55 | Head | Laborer | Lithuania |
| 80 | Nancy Razemetzky | 44 | Wife | — | Lithuania |
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)