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Mary Bruce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caddo-County, Oklahoma
Our Model Tree links this Mary Bruce across the 1930 and 1940 US Censuses in Caddo-County, Oklahoma (XGBoost, ~Confirmed) — first a spouse (b.~1885), then head of a 6-person household.
Age 55
b. ~1885
Female
Spouse
Born: Kentucky
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caddo-County, Oklahoma |
| Surname | Bruce |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Caddo |
| Additional Details | |
| Occupation | Housewife |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
| Occupation | Housewife |
| Township / Ward | Delaware |
| Est. Birth Year | ~1885 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| John Bruce | Head | — | 69 | ~1871 |
| James Bruce | Son | — | 20 | ~1920 |
| John Bruce | Son | — | 17 | ~1923 |
| Mary Bruce | Spouse | — | 55 | ~1885 |
| Robert Bruce | Son | — | 11 | ~1929 |
| Albert Bruce | Son | — | 14 | ~1926 |
Census Appearances
1930
Caddo, Oklahoma
Other, age 45
Caddo, Oklahoma · implied b. ~1885 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bruce |
| Given Name | Mary |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | Kentucky |
| Age at First Marriage | 15 |
| Father's Birthplace | Kentucky |
| Mother's Birthplace | Kentucky |
| Can Read/Write | Yes |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
1940
Caddo-County, Oklahoma
Spouse, age 55
Caddo-County, Oklahoma · implied b. ~1885 — 6 household members
| Surname | Bruce |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Married |
| Birthplace | Kentucky |
| 1935 Residence (City) | Delaware |
| 1935 Residence (County) | Caddo |
| Occupation | Housewife |
| Class of Worker | NP |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Oklahoma |
| Birth State | Kentucky |
| Birth Country | United States |
| Birthplace (normalized) | kentucky |
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 Bruce across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Bruce
Spouse · 1940 · age 55 · b. ~1885 · Oklahoma
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Caddo-County, Oklahoma
Open full size
1940 US Federal Census — Caddo-County, Oklahoma
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03279-00499)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bernice Lucas | 11 | Daughter | — | Oklahoma |
| 42 | Geneva Lucas | 10 | Daughter | — | Oklahoma |
| 43 | Mary L. Lucas | 8 | Daughter | — | Oklahoma |
| 44 | Johnnie M. Lucas | 5 | Son | — | Oklahoma |
| 45 | James P. Lucas | 4 | Son | — | Oklahoma |
| 46 | Virginia S. Lucas | 2 | Daughter | — | Oklahoma |
| 47 | Arland S. Fitzgerald | 38 | Head | Farmer | Texas |
| 48 | Ethel Fitzgerald | 35 | Wife | Housewife | Texas |
| 49 | Mary L. Fitzgerald | 19 | Daughter | Sectional Work | Oklahoma |
| 50 | James Fitzgerald | 16 | Son | News Boy | Oklahoma |
| 51 | Robert Fitzgerald | 13 | Son | — | Oklahoma |
| 52 | John W. Bruce | 69 | Head | Farmer | Kentucky |
| 53 | Mary Bruce THIS PERSON | 55 | Wife | Housewife | Kentucky |
| 54 | James M. Bruce | 20 | Son | Laborer | Oklahoma |
| 55 | John W. Bruce | 17 | Son | — | Oklahoma |
| 56 | Albert B. Bruce | 14 | Son | — | Oklahoma |
| 57 | Robert L. Bruce | 11 | Son | — | Oklahoma |
| 58 | Floyd Hendrick | 38 | Head | Farmer | Indiana |
| 59 | Arbella Hendrick | 37 | Wife | Housewife | Kentucky |
| 60 | Dale Hendrick | 13 | Son | — | Oklahoma |
| 61 | Lincoln J. Ratzlaff | 27 | Head | Farmer | Kansas |
| 62 | Ethelene Ratzlaff | 22 | Wife | Housewife | Oklahoma |
| 63 | Clyde J. Unruh | 29 | Head | Farmer | Kansas |
| 64 | Maggie B. Unruh | 22 | Wife | Housewife | Oklahoma |
| 65 | Donald Unruh | 6 | Son | — | Oklahoma |
| 66 | Albert D. Unruh | 36 | Head | Farmer | Kansas |
| 67 | Mabel Unruh | 37 | Wife | Housewife | Oklahoma |
| 68 | Emma M. Unruh | 14 | Daughter | — | Oklahoma |
| 69 | Bertha Unruh | 9 | Daughter | — | Oklahoma |
| 70 | Anna Unruh | 5 | Daughter | — | Oklahoma |
| 71 | Lorene Unruh | 4 | Daughter | — | Oklahoma |
| 72 | Verna L. Unruh | 2 | Daughter | — | Oklahoma |
| 73 | Infant Unruh | 0 | Son | — | Oklahoma |
| 74 | Elijah Hamrick | 73 | Head | Housewife | Tennessee |
| 75 | Addie Hamrick | 54 | Daughter | Housekeeper | Georgia |
| 76 | Charlie Hamrick | 51 | Son | Farmer | Georgia |
| 77 | Russell Hamrick | 43 | Son | Laborer | Georgia |
| 78 | Anna Hamrick | 38 | Daughter-in-law | Housewife | Arkansas |
| 79 | Billie R. Hamrick | 6 | Grandson | — | Oklahoma |
| 80 | Zeno J. Brush | 55 | Head | Farmer | North Carolina |
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)