MG
Mary Gray — 1940 US Census Record
Model Tree available1940 United States Federal Census · Pueblo-County, Colorado
Our Model Tree links this Mary Gray across the 1920, 1930 and 1940 US Censuses in Pueblo-County, Colorado (XGBoost, ~Confirmed), with identified parents Patrick & Peter — first a daughter (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
Female
Daughter
Born: Colorado
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Pueblo-County, Colorado |
| Surname | Gray |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Pueblo City |
| 1935 Residence (County) | Pueblo |
| Additional Details | |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Township / Ward | Pueblo City |
| Est. Birth Year | ~1906 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Gray | Daughter | — | 34 | ~1906 |
| Peter Gray | Head | — | 59 | ~1881 |
| Amanda Gray | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Pueblo, Colorado
Daughter, age 13
Pueblo, Colorado · implied b. ~1907 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Pueblo, Colorado
Daughter, age 22
Pueblo, Colorado · implied b. ~1908 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gray |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Minnesota |
| Occupation | Stenographer |
| Industry | (Sugar Factory) Dist. Claim |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Pueblo-County, Colorado
Daughter, age 34
Pueblo-County, Colorado · implied b. ~1906 — 3 household members
| Surname | Gray |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Colorado |
| 1935 Residence (City) | Pueblo City |
| 1935 Residence (County) | Pueblo |
| Highest Grade | No 4 |
| 1935 Residence | Same place |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
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 Gray across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Gray (~0.92 confidence) and father Peter Gray (~0.92 confidence) and mother Amanda Gray (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Gray
b. ~1882
Source father
● Household
· direct · ~0.92
Father
Peter Gray
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Amanda Gray
b. ~1882
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Gray
Daughter · 1940 · age 34 · b. ~1906 · Colorado
★ 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 — Pueblo-County, Colorado
Open full size
1940 US Federal Census — Pueblo-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00475-00063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elena L. Tupau | 42 | Wife | — | Mexico |
| 42 | John R. Declercq | 56 | Head | Chiropodist | Belgium |
| 43 | Kathryn Declercq | 55 | Wife | — | Kansas |
| 44 | Daniel L. Helvern | 41 | Head | Civil Engineer | Kansas |
| 45 | Louise A. Helvern | 40 | Wife | — | Kansas |
| 46 | Peter A. Gray | 59 | Head | Secretary & Manager | Illinois |
| 47 | Amanda J. Gray | 58 | Wife | — | Minnesota |
| 48 | Mary E. Gray THIS PERSON | 34 | Daughter | — | Colorado |
| 49 | Charles S. Mcclung | 47 | Head | Office Employee Minister | Texas |
| 50 | Flo S. Mcclung | 40 | Wife | Minister | Texas |
| 51 | Paul S. Mcclung | 15 | Son | — | Texas |
| 52 | Harold Mcclung | 7 | Son | — | Oklahoma |
| 53 | Esther Callier | 18 | Servant | Servant | Colorado |
| 54 | Earl Casey | 52 | Head | Mill Wright | Illinois |
| 55 | Elizabeth Casey | 40 | Wife | Clerk | Illinois |
| 56 | Virginia Casey | 16 | Daughter | — | Nebraska |
| 57 | Jane Casey | 5 | Daughter | — | Nebraska |
| 58 | Lillian D. Kniffen | 48 | Sister | — | Illinois |
| 59 | Stuart J. Collier | 42 | Head | Secretary Treasurer | Missouri |
| 60 | Vivian Smith Collier | 39 | Wife | — | Indiana |
| 61 | Adrian Collier | 14 | Daughter | — | Arkansas |
| 62 | Stuart J. Jr. Collier | 10 | Son | — | Arkansas |
| 63 | Frank T. Leonard | 54 | Head | Advertising Manager | Nebraska |
| 64 | Florence Leonard | 44 | Wife | — | Missouri |
| 65 | Charles Leonard | 24 | Son | Supervisor | Colorado |
| 66 | Edward Leonard | 18 | Son | — | Colorado |
| 67 | George Leonard | 15 | Son | — | Colorado |
| 68 | Harry Leo Stowe | 50 | Head | Assistant Manager | Oklahoma |
| 69 | Nora Stowe | 41 | Wife | — | Oklahoma |
| 70 | Rosemary Stowe | 16 | Daughter | — | Colorado |
| 71 | Harry D. Mitchell | 63 | Head | Salesman | Indiana |
| 72 | Nellie D. Mitchell | 59 | Wife | — | New Jersey |
| 73 | John James | 60 | Head | Owner | Wisconsin |
| 74 | Florence James | 59 | Wife | — | Illinois |
| 75 | J. Maurice James | 20 | Son | — | Colorado |
| 76 | James C. Hayse | 62 | Head | Owner | Kansas |
| 77 | Louise E. Hayse | 61 | Wife | — | Illinois |
| 78 | Thelma M. Hayse | 18 | Daughter | Secretary | Michigan |
| 79 | Charles C. Ragland | 71 | Brother-in-law | — | Illinois |
| 80 | Charles A. Becker | 79 | Head | — | Illinois |
Pedigree Summary
Mary
Gen 1 · 3 parents
~0.92
Max depth 4 (1900–1950 window)
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)