JK
John Kramer — 1940 US Census Record
Model Tree available1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this John Kramer across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed), with identified parents Joseph & Matt — first a son (b.~1916), then head of a 4-person household.
Age 24
b. ~1916
Male
Son
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Kramer |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | Doorman |
| Industry | Theatre Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Doorman |
| Township / Ward | Denver |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Catherine Kramer | Daughter | — | 22 | ~1918 |
| Matt Kramer | Head | — | 58 | ~1882 |
| John Kramer | Son | — | 24 | ~1916 |
| Louisa Kramer | Spouse | — | 57 | ~1883 |
Census Appearances
1920
Denver, Colorado
Son, age 3
Denver, Colorado · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Son, age 14
Denver, Colorado · implied b. ~1916 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | John C. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Colorado |
| Mother's Birthplace | Colorado |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Son, age 24
Denver-County, Colorado · implied b. ~1916 — 4 household members
| Surname | Kramer |
| Given Name | John E |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | Doorman |
| Industry | Theatre Co. |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 0 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 John Kramer across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Joseph Kramer (~0.82 confidence) and father Matt Kramer (~0.92 confidence) and mother Louise Kramer (~0.92 confidence). The pedigree spans 2 generations with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.89
Father
Joseph Kramer
b. ~1845
Source father>father
● Household
· direct · ~0.82
Father
Matt Kramer
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Louise Kramer
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Kramer
Son · 1940 · age 24 · b. ~1916 · Colorado
★ You are viewing this record
Sibling
Catherine Kramer
Sibling · 1940 · age 22
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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00484-00828)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rita Jean Hayes | 5 | Daughter | — | Kansas |
| 42 | Nancy Marie Hayes | 2 | Daughter | — | Colorado |
| 43 | Matt N Kramer | 58 | Head | Shovel Operator | Colorado |
| 44 | Louisa A Kramer | 57 | Wife | — | Colorado |
| 45 | John E Kramer THIS PERSON | 24 | Son | Doorman | Colorado |
| 46 | Catherine L Kramer | 22 | Daughter | Packer | Colorado |
| 47 | Harriett E Grain | 74 | Head | — | Pennsylvania |
| 48 | Stanley A Curtner | 39 | Son-in-law | Electrician | Colorado |
| 49 | Geraldine L Curtner | 41 | Daughter | — | Pennsylvania |
| 50 | Russell K Anthony | 61 | Head | Pharmacist | Kansas |
| 51 | Sadie B Anthony | 57 | Wife | — | Missouri |
| 52 | Marcella C Anthony | 27 | Daughter | Cashier | Colorado |
| 53 | Henry Shriver | 41 | Head | Boilermaker | Indiana |
| 54 | Lois D Shriver | 44 | Wife | — | Nebraska |
| 55 | Robert Shriver | 13 | Son | — | Colorado |
| 56 | Robert R Long | 49 | Head | Wall Cleaner | Texas |
| 57 | Edith M Long | 23 | Wife | — | Colorado |
| 58 | Jean Marie Long | 1 | Daughter | — | Colorado |
| 59 | John B Martina | 49 | Head | Sub Contractor | Italy |
| 60 | Lucy M Martina | 40 | Wife | — | New York |
| 61 | Robert J Martina | 18 | Son | — | Colorado |
| 62 | Larry G Underwood | 41 | Head | Checker | Colorado |
| 63 | Anna Rae Underwood | 24 | Wife | — | Ohio |
| 64 | Charles E Griffin | 47 | Head | Carpenter | Nebraska |
| 65 | Emma D Griffin | 31 | Wife | — | Oklahoma |
| 66 | Ada Griffin | 14 | Daughter | — | Colorado |
| 67 | Harriett J Griffin | 11 | Daughter | — | Colorado |
| 68 | Doris D Griffin | 9 | Daughter | — | Colorado |
| 69 | Raymond D Griffin | 7 | Son | — | Colorado |
| 70 | Lillie A Love | 45 | Head | Tailor | Arkansas |
| 71 | Fred A Love | 21 | Son | Paper Carrier | Oklahoma |
| 72 | Henry E Payne | 43 | Head | Attendant | Colorado |
| 73 | Marguerite Payne | 36 | Wife | Saleslady | Colorado |
| 74 | Janice Marie Payne | 7 | Daughter | — | Colorado |
| 75 | Josh O Feazel | 54 | Head | Truck Driver | Missouri |
| 76 | Becky J Feazel | 44 | Wife | — | Missouri |
| 77 | Orthell Evelyn Feazel | 22 | Stepdaughter | Beauty Operator | Colorado |
| 78 | Nella Prouty | 47 | Head | Unloader | Nebraska |
| 79 | Agnes A Hull | 85 | Head | — | Ohio |
| 80 | Dan Sullivan | 58 | Head | Blacksmith | Ireland |
Pedigree Summary
John + 1 sibling
Gen 1 · 2 parents
~0.92
Gen 2 · 1 grandparents
~0.82
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)