RG
Ruth Graham — 1940 US Census Record
Model Tree available1940 United States Federal Census · Warren-County, Illinois
Our Model Tree links this Ruth Graham across the 1920, 1930 and 1940 US Censuses in Warren-County, Illinois (XGBoost, ~Confirmed), with identified parents Ralph & Ralph — first a daughter (b.~1916), then head of a 5-person household.
Age 24
b. ~1916
Female
Daughter
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Warren-County, Illinois |
| Surname | Graham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Additional Details | |
| Industry | 0 |
| Hours Worked | 47 |
| Highest Grade | C-4 |
| 1935 Residence | Same House |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Monmouth |
| Est. Birth Year | ~1916 |
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 |
|---|---|---|---|---|
| Ralph Graham | Son | — | 20 | ~1920 |
| Jane Graham | Daughter | — | 17 | ~1923 |
| Ruth Graham | Daughter | — | 24 | ~1916 |
| Ralph Graham | Head | — | 64 | ~1876 |
| Ella Graham | Spouse | — | 53 | ~1887 |
Census Appearances
1920
Warren, Illinois
Daughter, age 4
Warren, Illinois · implied b. ~1916 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| 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
Warren, Illinois
Daughter, age 14
Warren, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Graham |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Warren-County, Illinois
Daughter, age 24
Warren-County, Illinois · implied b. ~1916 — 5 household members
| Surname | Graham |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Monmouth |
| 1935 Residence (County) | Warren |
| Industry | 0 |
| Hours Worked | 47 |
| Highest Grade | C-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 Graham across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Ralph Graham (~0.92 confidence) and father Ralph Graham (~0.92 confidence) and mother Ella Graham (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Ralph Graham
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Ralph Graham
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Ella Graham
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Graham
Daughter · 1940 · age 24 · b. ~1916 · Illinois
★ You are viewing this record
Sibling
Jane Graham
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ralph Graham
Sibling · 1940 · age 20
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 — Warren-County, Illinois
Open full size
1940 US Federal Census — Warren-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00901-00239)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Fred M. Swygard | 56 | Head | Millwright | Iowa |
| 2 | Mary B. Swygard | 56 | Wife | — | Iowa |
| 3 | Gwendolyn Cox | 23 | Daughter | — | Illinois |
| 4 | Ivan Cox | 28 | Son-in-law | Truck Driver | Illinois |
| 5 | Betty Jean Cox | 5 | Granddaughter | — | Illinois |
| 6 | Joyce Marie Cox | 2 | Granddaughter | — | Illinois |
| 7 | John D. Cox | 0 | Grandson | — | Illinois |
| 8 | Tom Bellman | 37 | Head | Policeman | Illinois |
| 9 | Ermine Bellman | 32 | Wife | — | Illinois |
| 10 | Charles Bellman | 14 | Son | — | Illinois |
| 11 | Mary Jane Bellman | 13 | Daughter | — | Illinois |
| 12 | Martha Bellman | 12 | Daughter | — | Illinois |
| 13 | Tommie Bellman | 5 | Son | — | Illinois |
| 14 | Arthur Zimmer | 51 | Head | Owner | Illinois |
| 15 | Laura Zimmer | 48 | Wife | — | Illinois |
| 16 | Jane Zimmer | 25 | Daughter | Stenographer | Illinois |
| 17 | Arthur Zimmer | 23 | Son | Salesman | Illinois |
| 18 | Glenn Lawler | 43 | Head | Pressman | Illinois |
| 19 | Mabel Lawler | 43 | Wife | — | Illinois |
| 20 | Robert E. Lawler | 8 | Son | — | Illinois |
| 21 | Addie Livesay | 75 | Mother-in-law | — | West Virginia |
| 22 | Howard C. Davis | 76 | Head | — | Illinois |
| 23 | Eva J. Davis | 70 | Wife | — | Illinois |
| 24 | Bessil Glass | 59 | Head | — | Illinois |
| 25 | Gene Smith | 55 | Head | Operator | Illinois |
| 26 | Pearl Smith | 57 | Wife | — | Illinois |
| 27 | Jeanette Smith | 31 | Daughter | — | Illinois |
| 28 | Robert Arthur | 75 | Head | — | Illinois |
| 29 | Cora Arthur | 68 | Wife | — | Illinois |
| 30 | Ralph Graham | 64 | Head | Doctor | Illinois |
| 31 | Ella Graham | 53 | Wife | — | Illinois |
| 32 | Ruth Graham THIS PERSON | 24 | Daughter | — | Illinois |
| 33 | Ralph Graham | 20 | Son | — | Illinois |
| 34 | Jane Graham | 17 | Daughter | — | Illinois |
| 35 | Mary Parson | 73 | Head | — | Indiana |
| 36 | Ada Martin | 63 | Head | — | Illinois |
| 37 | William C. Russell | 59 | Head | — | Iowa |
| 38 | Bird Russell | 57 | Wife | — | Illinois |
| 39 | Cora B. Main | 73 | Head | — | Illinois |
| 40 | Tressie G. Wolf | 60 | Head | — | Illinois |
Pedigree Summary
Ruth + 2 siblings
Gen 1 · 3 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)