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George Cummings — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this George Cummings across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 8-person household.
Age 23
b. ~1917
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Cummings |
| Given Name | George P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Salesman |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| Highest Grade | C 2 |
| 1935 Residence | Same Place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Salesman |
| Township / Ward | Chicago |
| Est. Birth Year | ~1917 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to George | Age | Birth yr |
|---|---|---|---|---|
| Thomas Cummings | Son | — | 28 | ~1912 |
| Lucinda Cummings | Daughter | — | 29 | ~1911 |
| Margaret Cummings | Spouse | — | 56 | ~1884 |
| George Cummings | Son | — | 23 | ~1917 |
| William Cummings | Son | — | 17 | ~1923 |
| Richard Cummings | Son | — | 25 | ~1915 |
| Loretta Cummings | Daughter | — | 20 | ~1920 |
| Thomas Cummings | Head | — | 56 | ~1884 |
Census Appearances
1930
Cook, Illinois
Son, age 14
Cook, Illinois · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cummings |
| Given Name | Gregg D. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 8 household members
| Surname | Cummings |
| Given Name | George P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago |
| 1935 Residence (County) | Cook |
| Occupation | Salesman |
| Industry | Own Business |
| Class of Worker | OA |
| Hours Worked | 40 |
| Income (1939) | 0 |
| 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 George Cummings across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
George Cummings
Son · 1940 · age 23 · b. ~1917 · Illinois
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Sibling
Loretta Cummings
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Richard Cummings
Sibling · 1940 · age 25
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Cummings
Sibling · 1940 · age 28
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lucinda Cummings
Sibling · 1940 · age 29
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cummings
Sibling · 1940 · age 17
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01021-00335)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Samuel Lapeir | 15 | Son | Clerk | Illinois |
| 42 | Evelyn Gerber | 31 | Head | Stenographer | Illinois |
| 43 | Francis West | 20 | Head | Cashier | Missouri |
| 44 | Constance Jane | 19 | Lodger | Singer | Indiana |
| 45 | Edward Hubbard | 41 | Head | Engineer | West Virginia |
| 46 | Alva Hubbard | 18 | Son | Elevator Operator | Oklahoma |
| 47 | John Strunk | 36 | Head | Teacher | Ohio |
| 48 | Milton Weiss | 30 | Head | Accountant | Illinois |
| 49 | Josephine Weiss | 20 | Wife | Stenographer | Illinois |
| 50 | Louis Hochman | 25 | Head | Clerk | Illinois |
| 51 | Lillian Hochman | 25 | Wife | — | Illinois |
| 52 | Don Irvine | 31 | Head | Salesman | Michigan |
| 53 | Ann Irvine | 28 | Wife | — | Michigan |
| 54 | Thomas A. Cummings | 56 | Head | Clerk Office | Illinois |
| 55 | Margaret Cummings | 56 | Wife | — | Illinois |
| 56 | Lucinda M. Cummings | 29 | Daughter | Cashier | Illinois |
| 57 | Thomas J. Cummings | 28 | Son | Salesman | Illinois |
| 58 | Richard C. Cummings | 25 | Son | Clerk Law | Illinois |
| 59 | George P. Cummings THIS PERSON | 23 | Son | Salesman | Illinois |
| 60 | Loretta Cummings | 20 | Daughter | — | Illinois |
| 61 | William Cummings | 17 | Son | — | Illinois |
| 62 | John C. Mulder | 42 | Head | Bookkeeper | Netherlands |
| 63 | Beatrice Mulder | 34 | Wife | — | Bermuda |
| 64 | Connie Mulder | 21 | Daughter | — | Bermuda |
| 65 | John J. Mulder | 18 | Son | Clerk Sales | New Jersey |
| 66 | Helen M. Mulder | 17 | Daughter | — | Illinois |
| 67 | Richard C. Mulder | 7 | Son | — | Illinois |
| 68 | Robert A. Mulder | 5 | Son | — | Illinois |
| 69 | Thomas Morris | 69 | Head | — | England |
| 70 | Clara Morris | 52 | Wife | — | Illinois |
| 71 | Josephine Morris | 19 | Lodger | — | Illinois |
| 72 | John G. Carren | 52 | Head | Manufacturer | Illinois |
| 73 | Alice Carren | 51 | Wife | — | Illinois |
| 74 | Catherine Carren | 19 | Daughter | — | Illinois |
| 75 | Charles Rawson | 29 | Son-in-law | Clerk Office | Illinois |
| 76 | Joan Rawson | 21 | Daughter | — | Illinois |
| 77 | Ben Heald | 23 | Head | Shipping Clerk | Iowa |
| 78 | Carmen Heald | 20 | Wife | — | Colorado |
| 79 | Charlene Heald | 1 | Daughter | — | Colorado |
| 80 | Effie D. Heald | 20 | Sister | — | Iowa |
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)