RC
Ruth Cunningham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Peoria-County, Illinois
Our Model Tree links this Ruth Cunningham across the 1910, 1920, 1930 and 1940 US Censuses in Peoria-County, Illinois (XGBoost, ~Confirmed), with identified parents Lester & Newton — first a daughter (b.~1909), then head of a 5-person household.
Age 31
b. ~1909
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Peoria-County, Illinois |
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Peoria |
| 1935 Residence (County) | Peoria |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Teacher |
| Township / Ward | Peoria |
| Est. Birth Year | ~1909 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| James Thomas | Other | — | 22 | ~1918 |
| Ruth Cunningham | Daughter | — | 31 | ~1909 |
| Phillis Cunningham | Daughter | — | 28 | ~1912 |
| Stanley Foland | Other | — | 24 | ~1916 |
| Nancy Cunningham | Head | — | 62 | ~1878 |
Census Appearances
1910
Peoria, Illinois
Daughter, age
Peoria, Illinois · implied b. ~1910 — 4 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 |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Peoria, Illinois
Daughter, age 10
Peoria, Illinois · implied b. ~1910 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Ruth J |
| 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 | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Peoria, Illinois
Daughter, age 21
Peoria, Illinois · implied b. ~1909 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cunningham |
| Given Name | Ruth L. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Teacher |
| Industry | Public school |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Peoria-County, Illinois
Daughter, age 31
Peoria-County, Illinois · implied b. ~1909 — 5 household members
| Surname | Cunningham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Peoria |
| 1935 Residence (County) | Peoria |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1100 |
| Highest Grade | C 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 Ruth Cunningham across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lester Cunningham (~0.92 confidence) and father Newton Cunningham (~0.92 confidence) and father Newton Cunningham (~0.92 confidence) and mother Jane Cunningham (~0.92 confidence) and mother Nancy Cunningham (~0.92 confidence) and mother Nancy Cunningham (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lester Cunningham
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Newton Cunningham
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Newton Cunningham
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Jane Cunningham
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Nancy Cunningham
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Nancy Cunningham
b. ~1878
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Cunningham
Daughter · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Sibling
Phillis 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 — Peoria-County, Illinois
Open full size
1940 US Federal Census — Peoria-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00917-00631)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Amelia J. Miller | 58 | Head | Practical Nurse | Germany |
| 42 | Maybelle Miller | 34 | Daughter | Registered Nurse | Illinois |
| 43 | G. Harlan Miller | 29 | Son | Shipping Clerk | Illinois |
| 44 | Kenneth Klapstein | 31 | Roomer | Office Dept. | Illinois |
| 45 | Fred Mundy | 35 | Head | Salesman | Illinois |
| 46 | Margaret Mundy | 30 | Wife | — | Illinois |
| 47 | Nancy Cunningham | 62 | Head | — | Illinois |
| 48 | Ruth Cunningham THIS PERSON | 31 | Daughter | Teacher | Illinois |
| 49 | Phillis Cunningham | 28 | Daughter | Trucker | Illinois |
| 50 | Stanley Foland | 24 | Roomer | Clerk | Illinois |
| 51 | James F. Thomas | 22 | Roomer | Machinist | Illinois |
| 52 | Bessie Gardner | 65 | Head | Administrator | Poland |
| 53 | Phillip Ortman | 23 | Head | Clerk | Ohio |
| 54 | Dorothy Ortman | 27 | Wife | Clerk | Illinois |
| 55 | Jack Adamson | 42 | Roomer | Salesman | Kentucky |
| 56 | Kelly S. Payne | 30 | Son | Salesman | Illinois |
| 57 | Elsie Galloway | 24 | Roomer | Cashier | Illinois |
| 58 | Marie Blumers | 35 | Roomer | Secretary | Illinois |
| 59 | Homer Kenneth Derry | 30 | Roomer | — | Illinois |
| 60 | Julius Calfird | 40 | Roomer | Plasterer | Missouri |
| 61 | Andrew Douglas | 43 | Roomer | Owner | Greece |
| 62 | Frances Walter | 28 | Head | Cook | Illinois |
| 63 | Clarence D. Klatt | 41 | Head | Attorney | Iowa |
| 64 | Jas. Edw. Radley | 50 | Head | Attorney | England |
| 65 | Frank Crapple | 38 | Roomer | Bus Driver | Illinois |
| 66 | John Harris Stroffe | 29 | Roomer | Owner | Illinois |
| 67 | Marvin Stroffe | 27 | Roomer | Owner | Illinois |
| 68 | Mary Cremer | 38 | Head | Teacher | Illinois |
| 69 | Rosemary Browne | 53 | Sister | — | Illinois |
| 70 | Robert T. Browne | 23 | Nephew | — | Illinois |
| 71 | Frances Hamilton | 64 | Servant | Housekeeper | Illinois |
| 72 | John H. Dehner | 52 | Head | Advertising | Kansas |
| 73 | Maude Clair Dehner | 35 | Wife | — | Kansas |
| 74 | K. Daniel Dehner | 5 | Son | — | Kansas |
| 75 | Walter Wilkinson | 41 | Head | Fireman | Illinois |
| 76 | Harriet Wilkinson | 37 | Wife | Stenographer | Illinois |
| 77 | John Cameron | 42 | Head | Salesman | Illinois |
| 78 | Edna Cameron | 40 | Wife | — | Illinois |
| 79 | Marian Cameron | 14 | Daughter | Stenographer | Illinois |
| 80 | John Masick | 54 | Roomer | Janitor | Illinois |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 6 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)