MO
Mary Orr — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Dallas-County, Texas
Our Model Tree links this Mary Orr across the 1930 and 1940 US Censuses in Dallas-County, Texas (XGBoost, ~Confirmed) — first a daughter (b.~1924), then head of a 6-person household.
Age 16
b. ~1924
Female
Daughter
Born: Texas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Dallas-County, Texas |
| Surname | Orr |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J.P. 5 |
| 1935 Residence (County) | Dallas |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
| Township / Ward | Jp 5 |
| Est. Birth Year | ~1924 |
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 |
|---|---|---|---|---|
| Charles Orr | Son | — | 23 | ~1917 |
| Mary Orr | Daughter | — | 16 | ~1924 |
| Robert Orr | Son | — | 14 | ~1926 |
| Jane Orr | Daughter | — | 18 | ~1922 |
| Taylor Orr | Head | — | 50 | ~1890 |
| Jennie Orr | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Dallas, Texas
Daughter, age 5
Dallas, Texas · implied b. ~1925 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Orr |
| Given Name | Mary R. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Texas |
| Father's Birthplace | Alabama |
| Mother's Birthplace | Texas |
| Birth State | Texas |
| Birth Country | United States |
| Birthplace (normalized) | texas |
1940
Dallas-County, Texas
Daughter, age 16
Dallas-County, Texas · implied b. ~1924 — 6 household members
| Surname | Orr |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Texas |
| 1935 Residence (City) | J.P. 5 |
| 1935 Residence (County) | Dallas |
| Class of Worker | 0 |
| Highest Grade | Hs 1 |
| 1935 Residence | Texas |
| 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 Orr across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Orr
Daughter · 1940 · age 16 · b. ~1924 · Texas
★ You are viewing this record
Sibling
Robert Orr
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jane Orr
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Orr
Sibling · 1940 · age 23
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
1940 US Federal Census — Dallas-County, Texas
Open full size
1940 US Federal Census — Dallas-County, Texas
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04016-00977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Stella Ellis | 52 | Head | Farming | Texas |
| 2 | William S. Hash | 38 | Son-in-law | Embalmer | Texas |
| 3 | Fay E. Hash | 37 | Daughter | — | Texas |
| 4 | Zelma E. Hash | 13 | Granddaughter | — | Texas |
| 5 | Joe L. Hash | 9 | Grandson | — | Texas |
| 6 | Lee Furguson | 24 | Head | Laborer | Texas |
| 7 | Tilda Mae Furguson | 25 | Wife | — | Texas |
| 8 | Henry Furguson | 11 | Son | — | Texas |
| 9 | Glada Furguson | 2 | Daughter | — | Texas |
| 10 | Jack Mayfield | 37 | Head | Laborer | Texas |
| 11 | Lava Mayfield | 31 | Wife | — | Texas |
| 12 | Eula Mayfield | 15 | Daughter | — | Texas |
| 13 | Edith Mayfield | 12 | Daughter | — | Texas |
| 14 | Sammy L. Mayfield | 1 | Son | — | Texas |
| 15 | Evely Wylie | 11 | Niece | — | Texas |
| 16 | Bull Moore | 25 | Head | Laborer | Texas |
| 17 | Charles W. Alexander | 30 | Head | Laborer | Texas |
| 18 | Mary Alexander | 31 | Wife | — | Texas |
| 19 | Lucil Alexander | 11 | Daughter | — | Texas |
| 20 | Emma G. Worley | 66 | Head | — | Texas |
| 21 | Cecil E. Worley | 34 | Son | Farming | Texas |
| 22 | John Duncan | 55 | Head | Laborer | Texas |
| 23 | Alice S. Duncan | 45 | Wife | — | Texas |
| 24 | John D. Duncan | 21 | Son | Laborer | Texas |
| 25 | Tommy G. Duncan | 16 | Son | — | Texas |
| 26 | Beasill M. Duncan | 13 | Daughter | — | Texas |
| 27 | James Duncan | 11 | Son | — | Texas |
| 28 | Harry L. Duncan | 9 | Son | — | Texas |
| 29 | John Patterson | 20 | Lodger | New Worker | Texas |
| 30 | Burl G. Warwick | 30 | Head | Laborer | Texas |
| 31 | Beulah E. Warwick | 26 | Wife | — | Texas |
| 32 | Burl V. Warwick | 3 | Son | — | Texas |
| 33 | Arlie Gordons | 20 | Lodger | Laborer | Texas |
| 34 | Millard W. Gordons | 19 | Lodger | — | Texas |
| 35 | Taylor L. Orr | 50 | Head | Farming | Texas |
| 36 | Jennie T. Orr | 47 | Wife | — | Texas |
| 37 | Charles T. Jr. Orr | 23 | Son | Laborer | Texas |
| 38 | Jane Orr | 18 | Daughter | — | Texas |
| 39 | Mary E. Orr THIS PERSON | 16 | Daughter | — | Texas |
| 40 | Robert P. Orr | 14 | Son | — | Texas |
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)