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Charles Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Knox-County, Illinois
Our Model Tree links this Charles Cummings across the 1930 and 1940 US Censuses in Knox-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1920), then head of a 6-person household.
Age 20
b. ~1920
Male
Son
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Knox-County, Illinois |
| Surname | Cummings |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | East Galesburg Village |
| 1935 Residence (County) | Knox |
| Additional Details | |
| Occupation | Crew Leader |
| Industry | Quarry - CCC |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Crew Leader |
| Township / Ward | East Galesburg Village |
| 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 Charles | Age | Birth yr |
|---|---|---|---|---|
| Mark Cummings | Son | — | 27 | ~1913 |
| Sarah Cummings | Spouse | — | 54 | ~1886 |
| Charles Cummings | Son | — | 20 | ~1920 |
| Roy Cummings | Son | — | 15 | ~1925 |
| Phillip Cummings | Son | — | 9 | ~1931 |
| Mark Cummings | Head | — | 55 | ~1885 |
Census Appearances
1930
Knox, Illinois
Son, age 10
Knox, Illinois · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Charles E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Kansas |
| Mother's Birthplace | Ohio |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Knox-County, Illinois
Son, age 20
Knox-County, Illinois · implied b. ~1920 — 6 household members
| Surname | Cummings |
| Given Name | Charles |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | East Galesburg Village |
| 1935 Residence (County) | Knox |
| Occupation | Crew Leader |
| Industry | Quarry - CCC |
| Class of Worker | GW |
| Hours Worked | 36 |
| Income (1939) | 288 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Charles Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Charles Cummings
Son · 1940 · age 20 · b. ~1920 · Illinois
★ You are viewing this record
Sibling
Mark Cummings
Sibling · 1940 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Cummings
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phillip Cummings
Sibling · 1940 · age 9
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 — Knox-County, Illinois
Open full size
1940 US Federal Census — Knox-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00827-00073)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Cummings | 32 | Head | Laborer | Kansas |
| 42 | Lizzie Cummings | 32 | Wife | Maid | Kansas |
| 43 | Lillian Cummings | 14 | Daughter | — | Kansas |
| 44 | Abraham Napier | 25 | Boarder | — | Indiana |
| 45 | Robert Napier | 17 | Nephew | Laborer | Illinois |
| 46 | Frank H. Asmith | 52 | Head | Bull-Dozer Operator | Missouri |
| 47 | Lena E. Asmith | 47 | Wife | — | Ohio |
| 48 | Phillip Mcfarland | 69 | Head | — | Ohio |
| 49 | Lucy Mcfarland | 68 | Wife | — | Missouri |
| 50 | Sophie Mcfarland | 31 | Daughter | Saleslady | Missouri |
| 51 | Floyd Krohn | 36 | Head | Stationary Engineer | Illinois |
| 52 | Eugenia Krohn | 36 | Wife | — | Illinois |
| 53 | Floyd Jr. Krohn | 15 | Son | — | Illinois |
| 54 | Betty Krohn | 9 | Daughter | — | Illinois |
| 55 | Pat David Krohn | 2 | Son | — | Illinois |
| 56 | Mark C. Cummings | 55 | Head | Laborer | Kansas |
| 57 | Sarah Cummings | 54 | Wife | — | Ohio |
| 58 | Mark Cummings | 27 | Son | Laborer | Kansas |
| 59 | Charles Cummings THIS PERSON | 20 | Son | Crew Leader | Kansas |
| 60 | Roy Cummings | 15 | Son | — | Kansas |
| 61 | Phillip Cummings | 9 | Son | — | Illinois |
| 62 | James Snodgrass | 52 | Head | Laborer | Iowa |
| 63 | Sadie Snodgrass | 50 | Wife | — | Iowa |
| 64 | Raymond Snodgrass | 25 | Son | Painter | Iowa |
| 65 | Harold Snodgrass | 22 | Son | Laborer | Iowa |
| 66 | James Jr. Snodgrass | 19 | Son | Sander | Iowa |
| 67 | Sarah Snodgrass | 16 | Daughter | — | Iowa |
| 68 | Minnie Snodgrass | 13 | Daughter | — | Illinois |
| 69 | Mary Snodgrass | 10 | Daughter | — | Illinois |
| 70 | Earl Danai | 37 | Head | Press Operator | Oklahoma |
| 71 | Louretta Danai | 37 | Wife | Seamstress | Kansas |
| 72 | Cilene Danai | 19 | Daughter | — | Illinois |
| 73 | Shirley Danai | 14 | Daughter | — | Illinois |
| 74 | Herbert Mccune | 45 | Head | Foreman | S. Dakota |
| 75 | Carrie Mccune | 42 | Wife | — | Ohio |
| 76 | Georgia Mccune | 17 | Daughter | — | Illinois |
| 77 | Geo. W. Mccune | 81 | Father | — | Illinois |
| 78 | Otis Martin | 36 | Head | Truck Driver | Illinois |
| 79 | Grace Martin | 35 | Wife | — | Illinois |
| 80 | Charles Martin | 4 | Son | — | Illinois |
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)