JK
John Kramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Jackson, Missouri
Our Model Tree links this John Kramer across the 1930 and 1940 US Censuses in Jackson, Missouri (XGBoost, ~Confirmed) — first a head (b.~1878), then head of a 9-person household.
Age 52
b. ~1878
Male
Head
Born: Germany
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Jackson, Missouri |
| Surname | Kramer |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Additional Details | |
| Occupation | Laborer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
| Occupation | Laborer |
| Township / Ward | Kansas City |
| Est. Birth Year | ~1878 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Elmira Kramer | Daughter | — | 9 | ~1921 |
| Alvania Kramer | Daughter | — | 12 | ~1918 |
| Margaret Kramer | Daughter | — | 4 | ~1926 |
| Mary Kramer | Daughter | — | 17 | ~1913 |
| John Kramer | Head | — | 52 | ~1878 |
| Joseph Kramer | Son | — | 19 | ~1911 |
| John Kramer | Son | — | 16 | ~1914 |
| Valentine Kramer | Son | — | 6 | ~1924 |
| Mary Kramer | Spouse | — | 48 | ~1882 |
Census Appearances
1930
Jackson, Missouri
Head, age 52
Jackson, Missouri · implied b. ~1878 — 9 household members
| Surname | Kramer |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Germany |
| Naturalization Status | Naturalized |
| Year of Immigration | 1902 |
| Age at First Marriage | 24 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Germany |
| Occupation | Laborer |
| Industry | Railroad Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
1940
Jackson-County, Missouri
Head, age 61
Jackson-County, Missouri · implied b. ~1879 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kromer |
| Given Name | John P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 61 |
| Marital Status | Married |
| Birthplace | Germany |
| 1935 Residence (City) | Kansas City |
| 1935 Residence (County) | Jackson |
| Naturalization Status | Naturalized |
| Occupation | Laborer |
| Industry | City Water Supply Dept |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth Country | Germany |
| Birthplace (normalized) | germany |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Kramer
Head · 1930 · age 52 · b. ~1878 · Missouri
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Jackson, Missouri
Open full size
1930 US Federal Census — Jackson, Missouri
Page Contents
47 people indexed on this census page (ia:1930:missouricensus00reel1194:0319)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Elias G. Mellott | 64 | Head | Laborer | Louisiana |
| 52 | Jennie K. Mellott | 59 | Wife | None | Tennessee |
| 53 | John P. Kramer THIS PERSON | 52 | Head | Laborer | Germany |
| 54 | Mary A. Kramer | 48 | Wife | None | Missouri |
| 55 | Joseph M. Kramer | 19 | Son | None | Missouri |
| 56 | Mary A. Kramer | 17 | Daughter | None | Missouri |
| 57 | John F. Kramer | 16 | Son | Machine Operator | Missouri |
| 58 | Alvania E. P. Kramer | 12 | Daughter | None | Missouri |
| 59 | Elmira M. Kramer | 9 | Daughter | None | Missouri |
| 60 | Valentine E. Kramer | 6 | Son | None | Missouri |
| 61 | Margaret J. Kramer | 4 | Daughter | None | Missouri |
| 62 | Oscar W. Gilliam | 57 | Head | Laborer | Missouri |
| 63 | Lula H. Gilliam | 49 | Wife | Housekeeper | Missouri |
| 64 | Leania Gilliam | 24 | Daughter | Folder | Missouri |
| 65 | Gertrude Gilliam | 12 | Daughter | None | Missouri |
| 66 | Albert Lock | 8 | Boarder | None | Missouri |
| 67 | Ellen Tennison | 65 | Wife | None | Missouri |
| 68 | James Tennison | 54 | Head | Laborer | Texas |
| 69 | Mattie Webb | 30 | Head | Maid | Missouri |
| 70 | Edward L. Harris | 14 | Son | None | Missouri |
| 71 | Lillian L. Astril | 38 | Head | Laborer | Ohio |
| 72 | Luther Nelson | 44 | Head | Laborer | Missouri |
| 73 | Julia Nelson | 37 | Wife | None | Missouri |
| 74 | William E. Campbell | 43 | Head | Laborer | Alabama |
| 75 | Dessie Campbell | 44 | Wife | None | Missouri |
| 76 | Saliso Salinas | 27 | Head | Laborer | Mexico |
| 77 | Pearl Young | 23 | Head | Laundress | Missouri |
| 78 | Lloyd Young | 6 | Son | None | Missouri |
| 79 | Harry Todd | 43 | Roomer | None | Missouri |
| 80 | Lula Rabison | 60 | Head | Home Keeper | Missouri |
| 81 | Caddie P. Hernandez | 72 | Head | None | Kansas |
| 82 | Lula J. Ware | 31 | Daughter | Laundress | Missouri |
| 83 | Francis Brookings | 10 | Granddaughter | None | Missouri |
| 84 | Carrie Glynn | 27 | Head | None | Alabama |
| 85 | Mandy Cooper | 28 | Head | Laborer | Missouri |
| 86 | Francis Cooper | 10 | Daughter | None | Missouri |
| 87 | Marcella Rhodes | 23 | Cousin | Laborer | Missouri |
| 88 | Charles Whitaker | 56 | Head | Laborer | Tennessee |
| 89 | Elizabeth Whitaker | 48 | Wife | None | Kentucky |
| 90 | Alex Calamise | 66 | Head | Dishwasher | Missouri |
| 91 | William H. Barnhart | 54 | Roomer | Laborer | Missouri |
| 92 | John H. Gamer | 74 | Head | None | Tennessee |
| 93 | Nellie Gamer | 52 | Wife | None | Tennessee |
| 94 | Willie Bell Smith | 15 | Granddaughter | None | Missouri |
| 95 | Nellie Garners | 13 | Daughter | None | Missouri |
| 96 | Clark Hagwood | 55 | Head | Laborer | Mississippi |
| 97 | Minnie Hagwood | 35 | Wife | None | Mississippi |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)