MC
Mary Cramer — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Los Angeles, California
Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Los Angeles, California (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 5-person household.
Age 32
b. ~1898
Female
Spouse
Born: Utah
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Los Angeles, California |
| Surname | Cramer |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 17 |
| Father's Birthplace | France |
| Mother's Birthplace | Vermont |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
| Township / Ward | Los Angeles City |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Charles Cramer | Son | — | 13 | ~1917 |
| Mary Cramer | Spouse | — | 32 | ~1898 |
| Dorothy Cramer | Daughter | — | 15 | ~1915 |
| Charles Cramer | Head | — | 36 | ~1894 |
| John Cramer | Son | — | 10 | ~1920 |
Census Appearances
1930
Los Angeles, …
Spouse, age 32
Los Angeles, California · implied b. ~1898 — 5 household members
| Surname | Cramer |
| Given Name | Mary C. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Utah |
| Age at First Marriage | 17 |
| Father's Birthplace | France |
| Mother's Birthplace | Vermont |
| Can Read/Write | Yes |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
1940
Los-Angeles-County, California
Spouse, age 40
Los-Angeles-County, California · implied b. ~1900 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kramer |
| Given Name | Margaret |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | Utah |
| 1935 Residence (City) | Los Angeles City |
| 1935 Residence (County) | Los Angeles |
| Income (1939) | 0 |
| Highest Grade | C 4 |
| 1935 Residence | Same place |
| Birth State | Utah |
| Birth Country | United States |
| Birthplace (normalized) | utah |
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 Mary Cramer across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Cramer
Spouse · 1930 · age 32 · b. ~1898 · California
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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 — Los Angeles, California
Open full size
1930 US Federal Census — Los Angeles, California
Page Contents
50 people indexed on this census page (ia:1930:californiacensus00reel137:0589)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frank S. Morrison | 27 | Head | Accountant | New Jersey |
| 2 | Bernette M. Morrison | 24 | Wife | — | Indiana |
| 3 | Donald S. Morrison | 1 | Son | — | California |
| 4 | Paul J. Shettler | 38 | Head | Sub. Div. | Illinois |
| 5 | Pearl T. Shettler | 34 | Wife | — | Oregon |
| 6 | Paul J. Shettler | 15 | Son | — | California |
| 7 | Richard W. Shettler | 6 | Son | — | California |
| 8 | Joseph H. Schuettler | 65 | Uncle | Salesman | Germany |
| 9 | Rufus S. Edwards | 33 | Head | Operator | California |
| 10 | Lydia B. Edwards | 31 | Wife | — | California |
| 11 | Rufus S. Edwards | 7 | Son | — | California |
| 12 | Irene J. Edwards | 5 | Daughter | — | California |
| 13 | Alfred J. Ireland | 29 | Head | Solicitor | Kansas |
| 14 | Irene Ireland | 27 | Wife | — | Illinois |
| 15 | Elizabeth Ireland | 4 | Daughter | — | California |
| 16 | Alfred J. Ireland | 1 | Son | — | California |
| 17 | Martin E. Remels | 27 | Head | Mechanic | Iowa |
| 18 | Elizabeth Remels | 26 | Wife | — | Pennsylvania |
| 19 | Charles S. Cook | 42 | Head | Reporter | Iowa |
| 20 | Clara S. Cook | 40 | Wife | Salesman | Pennsylvania |
| 21 | Dorothy Cook | 16 | Daughter | — | California |
| 22 | Charles S. Cook | 14 | Son | Stenographer | California |
| 23 | Robert Cook | 12 | Son | Messenger | California |
| 24 | John Cook | 10 | Son | — | California |
| 25 | Jane Cook | 6 | Daughter | — | California |
| 26 | Charles H. Cramer | 36 | Head | Printer | Nebraska |
| 27 | Mary C. Cramer THIS PERSON | 32 | Wife | — | Utah |
| 28 | Dorothy M. Cramer | 15 | Daughter | — | California |
| 29 | Charles H. Jr. Cramer | 13 | Son | — | California |
| 30 | John Cramer | 10 | Son | — | California |
| 31 | Grant Spellman | 44 | Head | Mechanic | Kansas |
| 32 | Jeannette Spellman | 42 | Wife | — | Indiana |
| 33 | Josiah A. Briggs | 55 | Head | Salesman | New York |
| 34 | Elizabeth Briggs | 51 | Wife | — | Illinois |
| 35 | Josiah A. Jr. Briggs | 19 | Son | — | California |
| 36 | Roy Hill | 39 | Head | Mechanic | Michigan |
| 37 | Belle Blanche Hill | 38 | Wife | — | Michigan |
| 38 | Mildred Hill | 16 | Daughter | — | Michigan |
| 39 | Virginia Hill | 11 | Daughter | — | Michigan |
| 40 | Walter T. Davis | 43 | Head | Salesman | Texas |
| 41 | Annette M. Davis | 39 | Wife | — | Missouri |
| 42 | Ernestine L. Davis | 13 | Daughter | — | Texas |
| 43 | Mary A. Davis | 11 | Daughter | — | Texas |
| 44 | Walter T. Davis | 10 | Son | — | Texas |
| 45 | Cameron L. Dilliard | 35 | Head | Salesman | Kansas |
| 46 | Rowena Dilliard | 27 | Wife | Hairdresser | Kansas |
| 47 | Charles S. Harrington | 33 | Head | Builder | United States |
| 48 | Edna Harrington | 29 | Wife | — | Ohio |
| 49 | Lella K. Hickey | 44 | Head | Secretary | Indiana |
| 50 | Lella K. Hickey | 19 | Daughter | Clerk | Indiana |
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)