MC
Mary Cramer — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jackson-County, Oklahoma
Our Model Tree links this Mary Cramer across the 1930 and 1940 US Censuses in Jackson-County, Oklahoma (XGBoost, ~Confirmed) — first a head (b.~1892), then head of a 5-person household.
Age 48
b. ~1892
Female
Head
Born: Texas
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Jackson-County, Oklahoma |
| Surname | Cramer |
| Given Name | Mary L. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | Altus city |
| 1935 Residence (County) | Jackson |
| Additional Details | |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Altus City |
| Est. Birth Year | ~1892 |
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 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Willie Cramer | Son | — | 20 | ~1920 |
| Louise Cramer | Daughter | — | 15 | ~1925 |
| Nora Cramer | Daughter | — | 11 | ~1929 |
| Mary Cramer | Head | — | 48 | ~1892 |
| Oliver Cramer | Son | — | 17 | ~1923 |
Census Appearances
1930
Jackson, Oklahoma
Head, age 38
Jackson, Oklahoma · implied b. ~1892 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cromer |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | Black |
| Age | 38 |
| Marital Status | Widowed |
| Birthplace | Texas |
| Age at First Marriage | 16 |
| Father's Birthplace | Texas |
| Mother's Birthplace | Texas |
| Occupation | Laundress |
| Industry | Private Home |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 12.00 |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Jackson-County, Oklahoma
Head, age 48
Jackson-County, Oklahoma · implied b. ~1892 — 5 household members
| Surname | Cramer |
| Given Name | Mary L. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 48 |
| Marital Status | Widowed |
| Birthplace | Texas |
| 1935 Residence (City) | Altus city |
| 1935 Residence (County) | Jackson |
| Highest Grade | No 2 |
| 1935 Residence | Same place |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
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
Head · 1940 · age 48 · b. ~1892 · Oklahoma
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Jackson-County, Oklahoma
Open full size
1940 US Federal Census — Jackson-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03299-00217)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Trent Lee Bright | 44 | Head | Waitress | Texas |
| 2 | Dallas W. Williams | 42 | Head | Cook | Texas |
| 3 | D. W. Williams | 23 | Son | Laborer | Texas |
| 4 | Charley Hill | 31 | Head | Laborer | Texas |
| 5 | Ivory B. Hill | 29 | Wife | — | Oklahoma |
| 6 | Earnetha Joplin | 14 | Step-daughter | — | Oklahoma |
| 7 | Bobbie L. Hill | 1 | Son | — | Oklahoma |
| 8 | Lofton Lowder | 34 | Head | Shoe Shiner | Arkansas |
| 9 | Emma L. Lowder | 36 | Wife | — | Texas |
| 10 | Walter B. Lowder | 16 | Son | — | Oklahoma |
| 11 | Mary L. Cramer THIS PERSON | 48 | Head | — | Texas |
| 12 | Willie E. Cramer | 20 | Son | Assistant New Worker | Texas |
| 13 | Oliver W. Cramer | 17 | Son | — | Texas |
| 14 | Louise E. Cramer | 15 | Daughter | — | Texas |
| 15 | Nora Helen L. Cramer | 11 | Daughter | — | Oklahoma |
| 16 | Joe Q. Hopkins | 57 | Head | Laborer | Texas |
| 17 | Bessie R. James | 53 | Head | — | Texas |
| 18 | Claud Mccoy | 20 | Nephew | Laborer | Oklahoma |
| 19 | Hollywood Runnels | 30 | Head | Laborer | Texas |
| 20 | Bertha L. Runnels | 22 | Wife | — | Texas |
| 21 | Phil Runnels | 2 | Son | — | Oklahoma |
| 22 | Ida J. Runnels | 1 | Daughter | — | Oklahoma |
| 23 | Tiny Willis | 44 | Head | — | Arkansas |
| 24 | Claud Scoggin | 24 | Son | Laborer | Arkansas |
| 25 | Ruth Scoggin | 19 | Daughter | — | Arkansas |
| 26 | Bertha W. Banner | 43 | Head | Seamstress | Texas |
| 27 | Adella M. Simmons | 22 | Daughter | Housekeeper | Texas |
| 28 | John C. Still | 29 | Head | Janitor | Texas |
| 29 | Jamie Still | 29 | Wife | — | Texas |
| 30 | Harry Moore | 40 | Lodger | Bell Captain | Texas |
| 31 | L. H. Carson | 22 | Head | Laborer | Oklahoma |
| 32 | Ruth L. Carson | 22 | Wife | — | Arkansas |
| 33 | Earl E. Carson | 2 | Son | — | Oklahoma |
| 34 | Ola M. Carson | 1 | Daughter | — | Oklahoma |
| 35 | Cephus Green | 62 | Head | Mechanic | Texas |
| 36 | Fay R. Green | 25 | Wife | — | Arkansas |
| 37 | Sandy Clark | 64 | Mother-in-law | — | Georgia |
| 38 | Ira Gray | 46 | Head | Painter | Texas |
| 39 | Mary Gray | 36 | Wife | — | Texas |
| 40 | Helen Gray | 16 | Daughter | — | Oklahoma |
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)