RC
Ruth Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sangamon-County, Illinois
Our Model Tree links this Ruth Cunningham across the 1920, 1930 and 1940 US Censuses in Sangamon-County, Illinois (XGBoost, ~Confirmed), with identified parents James & James — first a daughter (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Sangamon-County, Illinois |
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Springfield City |
| Est. Birth Year | ~1920 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Ruth | Age | Birth yr |
|---|---|---|---|---|
| Genevieve Cunningham | Daughter | — | 23 | ~1917 |
| James Cunningham | Head | — | 58 | ~1882 |
| James Cunningham | Son | — | 24 | ~1916 |
| Marie Cunningham | Daughter | — | 28 | ~1912 |
| Ruth Cunningham | Daughter | — | 20 | ~1920 |
| Kathryn Cunningham | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Sangamon, Illinois
Daughter, age
Sangamon, Illinois · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Sangamon, Illinois
Daughter, age 10
Sangamon, Illinois · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Ruth E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Student |
| Industry | Public School |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Sangamon-County, Illinois
Daughter, age 20
Sangamon-County, Illinois · implied b. ~1920 — 6 household members
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Springfield City |
| 1935 Residence (County) | Sangamon |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same house |
| 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 Ruth Cunningham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Cunningham (~0.92 confidence) and father James Cunningham (~0.92 confidence) and father James Cunningham (~0.92 confidence) and mother Catherine Cunningham (~0.92 confidence) and mother Kathryn Cunningham (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Cunningham
b. ~1883
Source father
● Household
· direct · ~0.92
Father
James Cunningham
b. ~1882
Source father
● Household
· direct · ~0.92
Father
James Cunningham
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Catherine Cunningham
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Kathryn Cunningham
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Cunningham
Daughter · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
James Cunningham
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Genevieve Cunningham
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marie Cunningham
Sibling · 1940 · age 28
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-t0627-00884-00766)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Martha Brajites | 21 | Daughter | Machine Operator | Illinois |
| 42 | Neal Brajites | 69 | Head | — | Illinois |
| 43 | Margaret Brajites | 65 | Wife | — | Illinois |
| 44 | William Brajites | 34 | Son | Fireman | Illinois |
| 45 | William J Brajites | 14 | Grand S. | — | Illinois |
| 46 | Frank Zimmerman | 40 | Head | Engineer | Illinois |
| 47 | Marie Zimmerman | 41 | Wife | — | Illinois |
| 48 | Frank Zimmerman | 15 | Son | — | Illinois |
| 49 | Robert Zimmerman | 13 | Son | — | Illinois |
| 50 | Richard Zimmerman | 8 | Son | — | Illinois |
| 51 | Kathleen Zimmerman | 6 | Daughter | — | Illinois |
| 52 | Mary Ann Zimmerman | 4 | Daughter | — | Illinois |
| 53 | Thomas Zimmerman | 0 | Son | — | Illinois |
| 54 | Will Burnett | 52 | Head | Dorman | Illinois |
| 55 | Mayme Burnett | 47 | Wife | — | Illinois |
| 56 | Frances Burnett | 21 | Daughter | Gen. Off. Work | Illinois |
| 57 | Lowell Burnett | 19 | Son | Handyman | Illinois |
| 58 | Laverne Burnett | 16 | Son | — | Illinois |
| 59 | Paul Burnett | 13 | Son | — | Illinois |
| 60 | Mary Fitzpatrick | 48 | Head | Accounting | Illinois |
| 61 | Julia Fitzpatrick | 47 | Sister | — | Illinois |
| 62 | Helen M Fitzpatrick | 42 | Sister | Supervisor | Illinois |
| 63 | Patrick F Fitzpatrick | 78 | Father | — | Illinois |
| 64 | William J Fitzpatrick | 74 | Uncle | — | Illinois |
| 65 | Margaret Hughes | 38 | Head | — | Illinois |
| 66 | Robert Hughes | 16 | Son | — | Illinois |
| 67 | Irene Hughes | 14 | Daughter | — | Illinois |
| 68 | Shirley Ann Hughes | 2 | Daughter | — | Illinois |
| 69 | John W Meeker | 66 | Head | — | Tenn. |
| 70 | Dora O Meeker | 62 | Wife | — | Texas |
| 71 | Imogene Meeker | 16 | Daughter | — | Illinois |
| 72 | Alvin Braswell | 35 | Lodger | — | Illinois |
| 73 | James Cunningham | 58 | Head | Fireman | Illinois |
| 74 | Kathryn Cunningham | 55 | Wife | — | Illinois |
| 75 | Marie Cunningham | 28 | Daughter | Secretary | Illinois |
| 76 | James T Cunningham | 24 | Son | — | Illinois |
| 77 | Genevieve Cunningham | 23 | Daughter | R. Nurse | Illinois |
| 78 | Ruth Cunningham THIS PERSON | 20 | Daughter | — | Illinois |
| 79 | Thomas Mcgrath | 56 | Head | Printer | Illinois |
| 80 | Agnes Mcgrath | 53 | Wife | — | Illinois |
Pedigree Summary
Ruth + 3 siblings
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)