JC
John Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cowlitz, Washington
Our Model Tree links this John Cramer across the 1920 and 1930 US Censuses in Cowlitz, Washington (XGBoost, ~Confirmed) — first a son (b.~1913), then head of a 8-person household.
Age 17
b. ~1913
Male
Son
Born: Washington
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cowlitz, Washington |
| Surname | Cramer |
| Given Name | John Friedrich |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Additional Details | |
| Occupation | News Reporter |
| Industry | News Paper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
| Occupation | News Reporter |
| Township / Ward | Kalama Town |
| Est. Birth Year | ~1913 |
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 1930 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Eva Cramer | Spouse | — | 39 | ~1891 |
| Robert Cramer | Son | — | 3 | ~1927 |
| Friedrich Cramer | Head | — | 51 | ~1879 |
| Cecelia Cramer | Daughter | — | 11 | ~1919 |
| Gertrude Cramer | Daughter | — | 15 | ~1915 |
| John Cramer | Son | — | 17 | ~1913 |
| Mary Cramer | Daughter | — | 9 | ~1921 |
| Patricia Cramer | Daughter | — | 8 | ~1922 |
Census Appearances
1920
Cowlitz, Washington
Son, age 7
Cowlitz, Washington · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cramer |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
1930
Cowlitz, Washington
Son, age 17
Cowlitz, Washington · implied b. ~1913 — 8 household members
| Surname | Cramer |
| Given Name | John Friedrich |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Washington |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Kansas |
| Occupation | News Reporter |
| Industry | News Paper |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Washington |
| Birth Country | United States |
| Birthplace (normalized) | washington |
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 Cramer across 2 US Census years (1920 and 1930) in Cowlitz, Washington, using XGBoost record linkage.
Show:
This person
Anchor record
John Cramer
Son · 1930 · age 17 · b. ~1913 · Washington
★ You are viewing this record
Sibling
Patricia Cramer
Sibling · 1930 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Cramer
Sibling · 1930 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Cecelia Cramer
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gertrude Cramer
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Cramer
Sibling · 1930 · age 3
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
1930 US Federal Census — Cowlitz, Washington
Open full size
1930 US Federal Census — Cowlitz, Washington
Page Contents
50 people indexed on this census page (ia:1930:15thcensus2487unit:0608)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Dorris Beauchamp | 13 | Daughter | — | Washington |
| 52 | Leslie Beauchamp | 9 | Son | — | Washington |
| 53 | Friedrich Cramer | 51 | Head | Civ Engineer | Illinois |
| 54 | Eva Cramer | 39 | Wife | — | Kansas |
| 55 | John Friedrich Cramer THIS PERSON | 17 | Son | News Reporter | Washington |
| 56 | Gertrude Cramer | 15 | Daughter | — | Washington |
| 57 | Cecelia Cramer | 11 | Daughter | — | Washington |
| 58 | Mary Virginia Cramer | 9 | Daughter | — | Washington |
| 59 | Patricia Cramer | 8 | Daughter | — | Washington |
| 60 | Robert Cramer | 3 | Son | — | Washington |
| 61 | Jed Creveling | 63 | Head | Farmer | Pennsylvania |
| 62 | Alice Creveling | 61 | Wife | — | Pennsylvania |
| 63 | Clinton Creveling | 35 | Son | Farmer | New York |
| 64 | Cecil Creveling | 22 | Daughter | Clerk | New York |
| 65 | Alt Bryant | 40 | Head | Laborer | Iowa |
| 66 | Marilla Bryant | 30 | Wife | — | Washington |
| 67 | Vernon Bryant | 10 | Son | — | Washington |
| 68 | Lillian Bryant | 8 | Daughter | — | Washington |
| 69 | Kenneth Bryant | 2 | Son | — | Washington |
| 70 | Alice Bryant | 0 | Daughter | — | Washington |
| 71 | Thust Johnson | 55 | Head | Block Piler | Sweden |
| 72 | Frances Johnson | 24 | Wife | Waitress | Washington |
| 73 | Leo Raymond Ness | 30 | Head | School Teacher | Iowa |
| 74 | Georgia Lee Ness | 23 | Wife | — | Missouri |
| 75 | Marilyn J. Ness | 1 | Daughter | — | Washington |
| 76 | Reed Myagron | 15 | Roomer | — | Montana |
| 77 | Ed Simmons | 62 | Head | Janitor | Minnesota |
| 78 | Margaret Simmons | 56 | Wife | — | Iowa |
| 79 | Roland Simmons | 15 | Son | — | Montana |
| 80 | Rufus Bass Patterson | 30 | Head | Green Chain | Georgia |
| 81 | Gladys E. Patterson | 29 | Wife | — | New York |
| 82 | Nellie Lee Patterson | 6 | Daughter | — | Florida |
| 83 | Margaret Elizebeth Patterson | 5 | Daughter | — | Florida |
| 84 | Marjorie Caroline Patterson | 0 | Daughter | — | Florida |
| 85 | Laura A. Schultz | 63 | Head | — | Illinois |
| 86 | Albert Carter | 58 | Head | Laborer | England |
| 87 | Annie Carter | 57 | Wife | — | England |
| 88 | S. M. Coffey | 43 | Head | Packer | Miss Shore |
| 89 | Effie Coffey | 38 | Wife | — | Washington |
| 90 | Pauline Wagner | 27 | Head | Book Keeper | Arkansas |
| 91 | Clayton Ruith | 38 | Head | Shoe Maker | Illinois |
| 92 | Alda Ruith | 28 | Wife | — | Oregon |
| 93 | Joyce Ruith | 5 | Daughter | — | Washington |
| 94 | Dean Ruith | 3 | Daughter | — | Washington |
| 95 | Fred Hill | 40 | Head | Weaver | Washington |
| 96 | Edith Hill | 34 | Wife | Operator | Washington |
| 97 | Delores Hill | 14 | Daughter | — | Washington |
| 98 | Charles Parker | 59 | Head | Mechanic | Minnesota |
| 99 | Lillian Parker | 27 | Wife | — | No Dakota |
| 100 | Annette Wells | 26 | Roomer | Waitress | Washington |
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)