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Mary Wheeler — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Wheeler across the 1920, 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a head (b.~1884), then head of a 4-person household.
Age 56
b. ~1884
Female
Head
Born: Colorado
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Wheeler |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Colorado |
| 1935 Residence (City) | San Juan |
| 1935 Residence (County) | San Juan |
| Additional Details | |
| Occupation | PBX Operator |
| Industry | State of Colorado |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 240 |
| Highest Grade | H 3 |
| 1935 Residence | Colorado |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
| Occupation | Pbx Operator |
| Township / Ward | City County Of Denver |
| Est. Birth Year | ~1884 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Wheeler | Head | — | 56 | ~1884 |
| Dora Liking | Other | — | 32 | ~1908 |
| Edward Wheeler | Son | — | 25 | ~1915 |
| Dennis Wheeler | Son | — | 23 | ~1917 |
Census Appearances
1920
Denver, Colorado
Head, age 41
Denver, Colorado · implied b. ~1879 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Wheeler |
| Given Name | Mary G |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 41 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Occupation | Teaching |
| Industry | Public school |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1930
Denver, Colorado
Head, age 51
Denver, Colorado · implied b. ~1879
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Wheeler |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 51 |
| Marital Status | Single |
| Birthplace | Colorado |
| Father's Birthplace | New York |
| Mother's Birthplace | Michigan |
| Occupation | Teacher |
| Industry | School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Birth State | Colorado |
| Birth Country | United States |
| Birthplace (normalized) | colorado |
1940
Denver-County, Colorado
Head, age 56
Denver-County, Colorado · implied b. ~1884 — 4 household members
| Surname | Wheeler |
| Given Name | Mary E. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Widowed |
| Birthplace | Colorado |
| 1935 Residence (City) | San Juan |
| 1935 Residence (County) | San Juan |
| Occupation | PBX Operator |
| Industry | State of Colorado |
| Class of Worker | GW |
| Hours Worked | 38 |
| Income (1939) | 240 |
| Highest Grade | H 3 |
| 1935 Residence | Colorado |
| 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 Wheeler 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 Wheeler
Head · 1940 · age 56 · b. ~1884 · 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 — Denver-County, Colorado
Open full size
1940 US Federal Census — Denver-County, Colorado
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00489-00210)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary E. Dacey | 64 | Wife | — | Maine |
| 2 | Alice W. Dacey | 65 | Sister | Teacher | Maine |
| 3 | Josephine Dacey | 55 | Sister-in-law | — | Maine |
| 4 | Mary E. Wheeler THIS PERSON | 56 | Head | Pbx Operator | Colorado |
| 5 | Edward C. Wheeler | 25 | Son | — | Colorado |
| 6 | Dennis J. Wheeler | 23 | Son | — | Colorado |
| 7 | Dora Liking | 32 | Maid | Housework | New Mexico |
| 8 | Ismael C. Hackstaff | 45 | Head | District Sales Manager | Colorado |
| 9 | Adeline Hackstaff | 41 | Wife | — | New York |
| 10 | Marion A. Hackstaff | 22 | Daughter | — | Colorado |
| 11 | Howard Hackstaff | 21 | Son | Mail Boy | Colorado |
| 12 | Richard Hackstaff | 16 | Son | — | Colorado |
| 13 | Daniel Bate | 55 | Head | Dentist | England |
| 14 | Kathleen Bate | 44 | Wife | — | Kansas |
| 15 | Dorothy Bate | 22 | Daughter | Stenographer | Colorado |
| 16 | Robert Bate | 18 | Son | Soda Clerk | Colorado |
| 17 | Kathleen Bate | 17 | Daughter | — | Colorado |
| 18 | Mary Fleur | 57 | Mother-in-law | Practical Nurse | Kansas |
| 19 | J. Donald Lutz | 55 | Head | Salesman | Pennsylvania |
| 20 | Rosa B. Lutz | 49 | Wife | — | Colorado |
| 21 | George L. Lutz | 20 | Son | Office Boy | Colorado |
| 22 | Ellen C. Mason | 57 | Head | Saleswoman | Colorado |
| 23 | Charles J. Mason | 60 | Brother | Comptroller | Wisconsin |
| 24 | Irma Farmer | 57 | Lodger | Housework | Michigan |
| 25 | Margaret Demaster | 44 | Head | Stenographer | Colorado |
| 26 | William S. Demaster | 17 | Son | Messenger | New York |
| 27 | Gertrude Mcelhinney | 40 | Head | Secretary | Wyoming |
| 28 | James F. Mcelhinney | 18 | Son | — | Utah |
| 29 | John D. Mcelhinney | 16 | Son | — | Nebraska |
| 30 | Frank D. Mcelhinney | 14 | Son | — | Nebraska |
| 31 | Mary Ann Mcelhinney | 12 | Daughter | — | Nebraska |
| 32 | Joseph L. Smith | 62 | Head | Dentist | Kansas |
| 33 | Florence E. Smith | 59 | Wife | — | Iowa |
| 34 | Charles E. Smith | 33 | Son | Production Manager | Kansas |
| 35 | Helen M. Smith | 30 | Daughter-in-law | Dental Assistant | Nebraska |
| 36 | Oscar W. Hammond | 77 | Head | — | Ohio |
| 37 | Ellen Hammond | 60 | Wife | Hairdresser | Sweden |
| 38 | Madeline Hammond | 35 | Daughter | Receptionist | Colorado |
| 39 | Emma Topin | 75 | Sister | — | Ohio |
| 40 | Helen Louise Duffy | 35 | Sister | Hairdresser | 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)