JC
John Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cambria, Pennsylvania
Our Model Tree links this John Cramer across the 1930 and 1940 US Censuses in Cambria, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 8-person household.
Age 21
b. ~1909
Male
Son
Born: Pennsylvania
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cambria, Pennsylvania |
| Surname | Cramer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Additional Details | |
| Occupation | miner |
| Industry | coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Miner |
| Township / Ward | Vintondale Borough |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| William Cramer | Son | — | 19 | ~1911 |
| Arthur Cramer | Head | — | 40 | ~1890 |
| James Conway | Other | — | 32 | ~1898 |
| John Cramer | Son | — | 21 | ~1909 |
| Della Cramer | Other | — | 60 | ~1870 |
| Alonzo Cramer | Son | — | 10 | ~1920 |
| Myrtle Cramer | Spouse | — | 41 | ~1889 |
| Miriam Cramer | Daughter | — | 16 | ~1914 |
Census Appearances
1930
Cambria, Pennsylvania
Son, age 21
Cambria, Pennsylvania · implied b. ~1909 — 8 household members
| Surname | Cramer |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Pennsylvania |
| Occupation | miner |
| Industry | coal mine |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cambria-County, Pennsylvania
Head, age 32
Cambria-County, Pennsylvania · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Spangler borough |
| 1935 Residence (County) | Cambria |
| Occupation | Coal Miner |
| Industry | Coal Mine |
| Class of Worker | PW |
| Hours Worked | 28 |
| Income (1939) | 27 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| 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 John Cramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Cramer
Son · 1930 · age 21 · b. ~1909 · Pennsylvania
★ You are viewing this record
Sibling
Miriam Cramer
Sibling · 1930 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Cramer
Sibling · 1930 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Alonzo Cramer
Sibling · 1930 · age 10
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 — Cambria, Pennsylvania
Open full size
1930 US Federal Census — Cambria, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2014:0209)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lonetti John Panetti | 19 | Son | Laborer | Pennsylvania |
| 2 | Lonetti Joseph Panetti | 17 | Son | Laborer | Pennsylvania |
| 3 | Agapito Armanini | 56 | Head | Miner | Italy |
| 4 | Mary Armanini | 53 | Wife | None | Italy |
| 5 | Dominick Armanini | 24 | Son | Miner | Pennsylvania |
| 6 | Lena Armanini | 23 | Daughter | None | Pennsylvania |
| 7 | Irene Armanini | 12 | Daughter | None | Pennsylvania |
| 8 | Louis Armanini | 11 | Son | None | Pennsylvania |
| 9 | Virginia Armanini | 4 | Daughter | None | Pennsylvania |
| 10 | Peter Nadalet | 39 | Boarder | Miner | Italy |
| 11 | Tonina Cesara | 53 | Head | None | Italy |
| 12 | Joseph Simon | 35 | Boarder | Miner | Italy |
| 13 | David Isacci | 34 | Boarder | Miner | Italy |
| 14 | John Catterati | 34 | Boarder | Miner | Italy |
| 15 | James Wray | 25 | Head | Laborer | Pennsylvania |
| 16 | Celestine Wray | 20 | Wife | None | Pennsylvania |
| 17 | Margaret Wray | 1 | Daughter | None | Pennsylvania |
| 18 | Peter Dansh | 44 | Head | Miner | Czecho-Slovak |
| 19 | Mary Dansh | 36 | Wife | None | Czecho-Slovak |
| 20 | Frank Mihalko | 36 | Head | Miner | Czecho-Slovak |
| 21 | Anna Mihalko | 29 | Wife | None | Poland |
| 22 | Helen Mihalko | 9 | Daughter | None | Pennsylvania |
| 23 | John Mihalko | 6 | Son | None | Pennsylvania |
| 24 | Charles Mihalko | 4 | Son | None | Pennsylvania |
| 25 | Mary Mihalko | 3 | Daughter | None | Pennsylvania |
| 26 | Michael Mihalko | 1 | Son | None | Pennsylvania |
| 27 | Arthur Cramer | 40 | Head | Motorman | Pennsylvania |
| 28 | Myrtle Cramer | 41 | Wife | None | Pennsylvania |
| 29 | John Cramer THIS PERSON | 21 | Son | Miner | Pennsylvania |
| 30 | William Cramer | 19 | Son | Laborer | Pennsylvania |
| 31 | Miriam Cramer | 16 | Daughter | None | Pennsylvania |
| 32 | Alonzo Cramer | 10 | Son | None | Pennsylvania |
| 33 | Della Cramer | 60 | Mother | None | Pennsylvania |
| 34 | James Conway | 32 | Lodger | Miner | Pennsylvania |
| 35 | Frank Mccloskey | 44 | Head | Laborer | Pennsylvania |
| 36 | Sarah Mccloskey | 37 | Wife | None | Pennsylvania |
| 37 | Emma Mccloskey | 14 | Daughter | None | Pennsylvania |
| 38 | James F Mccloskey | 11 | Son | None | Pennsylvania |
| 39 | Mary A Mccloskey | 8 | Daughter | None | Pennsylvania |
| 40 | John A Mccloskey | 5 | Son | None | Pennsylvania |
| 41 | John J Frazier | 18 | Nephew | None | Pennsylvania |
| 42 | Alex Michelbacher | 52 | Head | None | England |
| 43 | Fred Michelbacher | 27 | Son | Miner | Pennsylvania |
| 44 | Carl Michelbacher | 20 | Son | Miner | Pennsylvania |
| 45 | Phoebe Michelbacher | 18 | Daughter | None | Pennsylvania |
| 46 | Sadie Michelbacher | 16 | Daughter | None | Pennsylvania |
| 47 | Minnie Michelbacher | 14 | Daughter | None | Pennsylvania |
| 48 | John Stephenson | 53 | Head | Engineer | Pennsylvania |
| 49 | Gertrude Stephenson | 52 | Wife | None | Pennsylvania |
| 50 | Vernon Stephenson | 25 | Son | Miner | Pennsylvania |
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)