WK
William Kramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Kramer across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1917), then head of a 6-person household.
Age 23
b. ~1917
Male
Son
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Kramer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Occupation | Clerk |
| Industry | Printer |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 572 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Clerk |
| Township / Ward | Chicago City |
| 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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| William Kramer | Son | — | 23 | ~1917 |
| Mary Kramer | Daughter | — | 21 | ~1919 |
| Mary Kramer | Spouse | — | 44 | ~1896 |
| Dorothy Kramer | Daughter | — | 15 | ~1925 |
| Peter Kramer | Head | — | 45 | ~1895 |
| Gertrude Kramer | Daughter | — | 14 | ~1926 |
Census Appearances
1930
Cook, Illinois
Son, age 13
Cook, Illinois · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kromer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Austria |
| Mother's Birthplace | Austria |
| Occupation | none |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cook-County, Illinois
Son, age 23
Cook-County, Illinois · implied b. ~1917 — 6 household members
| Surname | Kramer |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Occupation | Clerk |
| Industry | Printer |
| Class of Worker | PW |
| Hours Worked | 26 |
| Income (1939) | 572 |
| Highest Grade | H 4 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 William Kramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Kramer
Son · 1940 · age 23 · b. ~1917 · Illinois
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Sibling
Mary Kramer
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Kramer
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Kramer
Sibling · 1940 · age 14
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-t0627-01001-00883)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | John J Hillenbrand | 59 | Head | Foreman | Germany |
| 2 | Mary M Hillenbrand | 55 | Wife | — | Germany |
| 3 | Martin Walter | 64 | Brother in law | — | Germany |
| 4 | Charles L Nelson | 47 | Lodger | Lawyer | Wisconsin |
| 5 | Robert Nelson | 42 | Lodger | — | Minnesota |
| 6 | Zolman Malkin | 58 | Head | Sales Clerk | Russia |
| 7 | Ida Malkin | 58 | Wife | — | Russia |
| 8 | Miriam Malkin | 27 | Daughter | Stenographer | Illinois |
| 9 | Helen Malkin | 23 | Daughter | Stenographer | Illinois |
| 10 | Jack S Malkin | 19 | Son | — | Illinois |
| 11 | Harry Applebaum | 35 | Head | Salesman | Russia |
| 12 | Sylvia Applebaum | 29 | Wife | — | Illinois |
| 13 | Burton Applebaum | 6 | Son | — | Illinois |
| 14 | Norman Applebaum | 0 | Son | — | Illinois |
| 15 | Max Schneider | 29 | Head | Salesman | New York |
| 16 | Edna Schneider | 32 | Wife | — | Illinois |
| 17 | Jerry Schneider | 5 | Son | — | Illinois |
| 18 | Raymond Silvers | 37 | Head | Salesman | Illinois |
| 19 | Hannah Silvers | 35 | Wife | — | Illinois |
| 20 | Beverly Silvers | 2 | Daughter | — | Illinois |
| 21 | Nathan Tucker | 39 | Lodger | Clerk | New York |
| 22 | Jack Rosenberg | 43 | Head | Salesman | Germany |
| 23 | Helen Rosenberg | 29 | Wife | — | Canada |
| 24 | Harold Rosenberg | 1 | Son | — | Illinois |
| 25 | Marion Ellison | 17 | Lodger | — | Illinois |
| 26 | Peter Kramer | 45 | Head | Janitor | Romania |
| 27 | Mary Kramer | 44 | Wife | — | Romania |
| 28 | William Kramer THIS PERSON | 23 | Son | Clerk | Pennsylvania |
| 29 | Mary Kramer | 21 | Daughter | Bookkeeper | Pennsylvania |
| 30 | Dorothy Kramer | 15 | Daughter | — | Illinois |
| 31 | Gertrude Kramer | 14 | Daughter | — | Illinois |
| 32 | Joseph Wright | 40 | Head | Maintenance Man | England |
| 33 | Elizabeth Wright | 37 | Wife | — | England |
| 34 | Gladys Wright | 17 | Daughter | — | Illinois |
| 35 | John Charles Wright | 15 | Son | — | Illinois |
| 36 | Jacqueline Davis | 6 | Niece | — | Illinois |
| 37 | Isidore Melnick | 67 | Head | — | Russia |
| 38 | Fanny Melnick | 66 | Wife | — | Russia |
| 39 | George Melnick | 25 | Son | Salesman | Pennsylvania |
| 40 | Arthur Melnick | 23 | Son | Stockman | 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)