MS
Mary Stark — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Morgan-County, Colorado
Our Model Tree links this Mary Stark across the 1920, 1930 and 1940 US Censuses in Morgan-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1893), then head of a 8-person household.
Age 47
b. ~1893
Female
Spouse
Born: Russia
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Morgan-County, Colorado |
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | 3n 58W Precinct 3 |
| 1935 Residence (County) | Morgan |
| Naturalization Status | Alien |
| Additional Details | |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
| Township / Ward | 3N 58W Precinct 3 |
| Est. Birth Year | ~1893 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Edward Stark | Son | — | 15 | ~1925 |
| Herman Stark | Son | — | 17 | ~1923 |
| Elsie Stark | Daughter | — | 13 | ~1927 |
| Harold Stark | Son | — | 14 | ~1926 |
| Dorothy Stark | Daughter | — | 11 | ~1929 |
| Florence Stark | Daughter | — | 10 | ~1930 |
| Mary Stark | Spouse | — | 47 | ~1893 |
| Alex Stark | Head | — | 53 | ~1887 |
Census Appearances
1920
Morgan, Colorado
Spouse, age 27
Morgan, Colorado · implied b. ~1893 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Russia |
| Year of Immigration | 1909 |
| Naturalization Status | Alien |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1930
Morgan, Colorado
Spouse, age 36
Morgan, Colorado · implied b. ~1894 — 14 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Russia |
| Naturalization Status | Alien |
| Year of Immigration | 1915 |
| Age at First Marriage | 19 |
| Father's Birthplace | Russia |
| Mother's Birthplace | Russia |
| Can Read/Write | Yes |
| Mother Tongue | German |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
1940
Morgan-County, Colorado
Spouse, age 47
Morgan-County, Colorado · implied b. ~1893 — 8 household members
| Surname | Stark |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 47 |
| Marital Status | Married |
| Birthplace | Russia |
| 1935 Residence (City) | 3n 58W Precinct 3 |
| 1935 Residence (County) | Morgan |
| Naturalization Status | Alien |
| Industry | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Russia |
| Birthplace (normalized) | russia |
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 Stark across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Stark
Spouse · 1940 · age 47 · b. ~1893 · Colorado
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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 — Morgan-County, Colorado
Open full size
1940 US Federal Census — Morgan-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00472-00734)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Henry George | 39 | Head | Laborer | Russia |
| 42 | Lydia George | 35 | Wife | — | Colorado |
| 43 | Albert George | 12 | Son | — | Colorado |
| 44 | Betty Lou George | 11 | Daughter | — | Colorado |
| 45 | James Carnahan | 67 | Head | Farmer | Pennsylvania |
| 46 | Charlotte Carnahan | 59 | Wife | — | Pennsylvania |
| 47 | Conrad Trembel | 34 | Head | Farmer | Russia |
| 48 | Marie Trembel | 30 | Wife | — | Colorado |
| 49 | Palmer Trembel | 11 | Son | — | Colorado |
| 50 | Marvin Trembel | 9 | Son | — | Colorado |
| 51 | Shirley Trembel | 5 | Daughter | — | Colorado |
| 52 | Marjorie Trembel | 2 | Daughter | — | Colorado |
| 53 | Kenneth Trembel | 1 | Son | — | Colorado |
| 54 | George Repp | 38 | Head | Laborer | Russia |
| 55 | Esther Repp | 33 | Wife | — | Oklahoma |
| 56 | Lucille Repp | 13 | Daughter | — | Colorado |
| 57 | Alice Repp | 12 | Daughter | — | Colorado |
| 58 | Arleta Repp | 11 | Daughter | — | Colorado |
| 59 | Barbara Repp | 9 | Daughter | — | Colorado |
| 60 | Albert Repp | 8 | Son | — | Colorado |
| 61 | Esther J Repp | 6 | Daughter | — | Colorado |
| 62 | Betty Ann Repp | 2 | Daughter | — | Colorado |
| 63 | Alex Stark | 53 | Head | Farmer | Russia |
| 64 | Mary Stark THIS PERSON | 47 | Wife | — | Russia |
| 65 | Herman Stark | 17 | Son | Laborer | New Mexico |
| 66 | Edward Stark | 15 | Son | — | Colorado |
| 67 | Harold Stark | 14 | Son | — | Colorado |
| 68 | Elsie Stark | 13 | Daughter | — | Colorado |
| 69 | Dorothy Stark | 11 | Daughter | — | Colorado |
| 70 | Florence Stark | 10 | Daughter | — | Colorado |
| 71 | Jake Propp | 36 | Head | Farmer | Russia |
| 72 | Marie Propp | 34 | Wife | — | Nebraska |
| 73 | Kenneth Propp | 9 | Son | — | Colorado |
| 74 | Melvin Propp | 2 | Son | — | Colorado |
| 75 | Katherine Propp | 58 | Mother | — | Russia |
| 76 | Charles Propp | 27 | Son | Farmer | Canada |
| 77 | Virgil Griffith | 28 | Head | Laborer | Iowa |
| 78 | Eva Griffith | 26 | Wife | — | Oklahoma |
| 79 | Joan Griffith | 7 | Daughter | — | Colorado |
| 80 | Margaret Griffith | 5 | Daughter | — | Colorado |
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)