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Mary Lowery — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Denver-County, Colorado
Our Model Tree links this Mary Lowery across the 1930 and 1940 US Censuses in Denver-County, Colorado (XGBoost, ~Confirmed) — first a daughter (b.~1903), then head of a 6-person household.
Age 37
b. ~1903
Female
Daughter
Born: Pennsylvania
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Denver-County, Colorado |
| Surname | Lowery |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Additional Details | |
| Occupation | bookkeeper |
| Industry | Retail lumber & coal yard |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Bookkeeper |
| Township / Ward | Denver |
| Est. Birth Year | ~1903 |
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 |
|---|---|---|---|---|
| Madeline Lowery | Daughter | — | 20 | ~1920 |
| Emmet Lowery | Son | — | 21 | ~1919 |
| Annie Lowery | Spouse | — | 63 | ~1877 |
| Millard Lowery | Son | — | 31 | ~1909 |
| Edward Lowery | Head | — | 60 | ~1880 |
| Mary Lowery | Daughter | — | 37 | ~1903 |
Census Appearances
1930
Denver, Colorado
Daughter, age 27
Denver, Colorado · implied b. ~1903 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lowery |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Book Keeper |
| Industry | Auto Supply |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Denver-County, Colorado
Daughter, age 37
Denver-County, Colorado · implied b. ~1903 — 6 household members
| Surname | Lowery |
| Given Name | Mary H. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 37 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | Denver |
| 1935 Residence (County) | Denver |
| Occupation | bookkeeper |
| Industry | Retail lumber & coal yard |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 900 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Lowery across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lowery
Daughter · 1940 · age 37 · b. ~1903 · Colorado
★ You are viewing this record
Sibling
Millard Lowery
Sibling · 1940 · age 31
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Emmet Lowery
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Madeline Lowery
Sibling · 1940 · age 20
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 — 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-t0627-00484-00349)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Robert F. Wheeler | 55 | Head | — | Colorado |
| 42 | Gerald R. Busby | 49 | Head | — | Missouri |
| 43 | Emma M. Busby | 48 | Wife | — | Missouri |
| 44 | Edward J. Lowery | 60 | Head | Night Foreman | Pennsylvania |
| 45 | Annie E. Lowery | 63 | Wife | — | Pennsylvania |
| 46 | Mary H. Lowery THIS PERSON | 37 | Daughter | Bookkeeper | Pennsylvania |
| 47 | Millard D. Lowery | 31 | Son | Exterminator | Pennsylvania |
| 48 | Emmet A. Lowery | 21 | Son | Exterminator | Colorado |
| 49 | Madeline Lowery | 20 | Daughter | Young Worker | Colorado |
| 50 | Raymond Knighton | 37 | Head | Meat Cutter | Iowa |
| 51 | Cleora J. Knighton | 32 | Wife | — | Iowa |
| 52 | Ronald W. Knighton | 8 | Son | — | Iowa |
| 53 | Peter A. Low | 42 | Head | Electric Welder | Iowa |
| 54 | Ethel L. Q. Low | 40 | Wife | — | Oklahoma |
| 55 | Frank J. Mathison | 37 | Head | Supervising Installation | Colorado |
| 56 | Elva L. A. Mathison | 42 | Wife | — | Colorado |
| 57 | Donald R. Mathison | 8 | Son | — | Colorado |
| 58 | Marilyn A. Mathison | 2 | Daughter | — | Colorado |
| 59 | John C. Stanley | 55 | Head | Switchman | Iowa |
| 60 | Dell H. Q. Stanley | 44 | Wife | — | Nebraska |
| 61 | Donald R. Stanley | 16 | Son | — | Colorado |
| 62 | Norman C. Stanley | 12 | Daughter | — | Washington |
| 63 | Hattie E. Q. Block | 66 | Head | — | Colorado |
| 64 | Arthur A. Q. Ridley | 46 | Head | Service Man | Colorado |
| 65 | Sylvia D. Ridley | 44 | Wife | — | Washington |
| 66 | Norma L. Ridley | 16 | Daughter | — | Colorado |
| 67 | Jack J. Q. Tracy | 34 | Head | Truck Driver | Colorado |
| 68 | Dorothy M. Tracy | 34 | Wife | Secretary | Canada-English |
| 69 | Jacqueline L. Tracy | 7 | Daughter | — | Colorado |
| 70 | Jack J. Jr. Tracy | 6 | Son | — | Colorado |
| 71 | Dwight W. Tracy | 4 | Son | — | Colorado |
| 72 | Mary A. Q. Reach | 43 | Housekeeper | House Keeper | Missouri |
| 73 | Anton Q. Blaha | 60 | Head | Watchman | Austria |
| 74 | Anna Blaha | 61 | Wife | — | Germany |
| 75 | Bennie H. Moore | 77 | Head | — | Denmark |
| 76 | Minnie D. Moore | 75 | Wife | — | Germany |
| 77 | Clarence R. Burns | 37 | Head | Plumber | Colorado |
| 78 | Lillian G. Burns | 33 | Wife | — | Colorado |
| 79 | Stanley E. Mcvey | 32 | Head | Salesman | Oklahoma |
| 80 | Mildred Mcvey | 35 | Wife | — | New Jersey |
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)