MF
Mary Frank — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Larimer-County, Colorado
Our Model Tree links this Mary Frank across the 1930 and 1940 US Censuses in Larimer-County, Colorado (XGBoost, ~Confirmed) — first a spouse (b.~1906), then head of a 7-person household.
Age 34
b. ~1906
Female
Spouse
Born: Nebraska
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Larimer-County, Colorado |
| Surname | Frank |
| Given Name | Mary J |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Fort Collins |
| 1935 Residence (County) | Larimer |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Colorado |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
| Township / Ward | Fort Collins |
| 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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mildred Frank | Daughter | — | 10 | ~1930 |
| Mary Frank | Daughter | — | 11 | ~1929 |
| Jean Frank | Daughter | — | 6 | ~1934 |
| Glenda Frank | Daughter | — | 5 | ~1935 |
| Albert Frank | Head | — | 39 | ~1901 |
| Richard Frank | Son | — | 15 | ~1925 |
| Mary Frank | Spouse | — | 34 | ~1906 |
Census Appearances
1930
Larimer, Colorado
Spouse, age 24
Larimer, Colorado · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Frank |
| Given Name | Mary L. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Nebraska |
| Age at First Marriage | 18 |
| Father's Birthplace | Germany |
| Mother's Birthplace | Kansas |
| Can Read/Write | Yes |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
1940
Larimer-County, Colorado
Spouse, age 34
Larimer-County, Colorado · implied b. ~1906 — 7 household members
| Surname | Frank |
| Given Name | Mary J |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Nebraska |
| 1935 Residence (City) | Fort Collins |
| 1935 Residence (County) | Larimer |
| Income (1939) | 0 |
| Highest Grade | Hs 3 |
| 1935 Residence | Colorado |
| Birth State | Nebraska |
| Birth Country | United States |
| Birthplace (normalized) | nebraska |
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 Frank across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Frank
Spouse · 1940 · age 34 · b. ~1906 · 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 — Larimer-County, Colorado
Open full size
1940 US Federal Census — Larimer-County, Colorado
Page Contents
36 people indexed on this census page (nara:1940:m-t0627-00467-00711)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Katherine M Stewart | 17 | daughter | — | Wyoming |
| 2 | Fern I Douglas | 27 | daughter | Case Worker | Colorado |
| 3 | Warren G Douglas | 6 | grand son | — | Colorado |
| 4 | Ernest J Smith | 41 | Head | Postal Clerk | Missouri |
| 5 | Dorothy I Smith | 32 | wife | — | Colorado |
| 6 | Lynda L Smith | 5 | daughter | — | Colorado |
| 7 | Thomas J Gray | 34 | Head | Manager | Iowa |
| 8 | Ethel Gray | 30 | wife | — | Colorado |
| 9 | Wayne E Gray | 21 | son | Operator | Colorado |
| 10 | Verna R Gray | 19 | dau | — | Colorado |
| 11 | Bertha Bartels | 80 | Grandmother | — | Switzerland |
| 16 | Edward L Eden | 23 | Lodger | Janitor | Colorado |
| 17 | Zala B Eden | 22 | Lodger | House Work | Colorado |
| 18 | Jerrold W Henry | 23 | Head | — | Washington |
| 19 | Ruth C Henry | 21 | wife | — | California |
| 20 | Albert K Frank | 39 | Head | Proprietor | Nebraska |
| 21 | Mary J Frank THIS PERSON | 34 | wife | — | Nebraska |
| 22 | Richard L Frank | 15 | son | — | Nebraska |
| 23 | Mary Louise Frank | 11 | daughter | — | Nebraska |
| 24 | Mildred A Frank | 10 | daughter | — | Nebraska |
| 25 | Jean F Frank | 6 | daughter | — | Colorado |
| 26 | Glenda S Frank | 5 | daughter | — | Colorado |
| 27 | Vertie T Backman | 48 | Head | Laborer | Missouri |
| 28 | Lillian B Backman | 47 | wife | — | Iowa |
| 29 | Edwin L Backman | 15 | son | — | Iowa |
| 30 | B. Frank Birkindine | 56 | Head | Farm Laborer | Nebraska |
| 31 | Grace Birkindine | 54 | wife | — | Kansas |
| 32 | Albert G Plasche | 52 | Head | Postal Carrier | Nebraska |
| 33 | Mable E Plasche | 52 | wife | — | Nebraska |
| 34 | Fern M Plasche | 27 | daughter | — | Nebraska |
| 35 | Herbert R Ulrich | 37 | Head | Meat Cutter | Minnesota |
| 36 | Martha Ulrich | 27 | wife | — | Colorado |
| 37 | Donald W Ulrich | 7 | son | — | Colorado |
| 38 | Ida J Mcclure | 22 | Head | Farmer | Illinois |
| 39 | George W Webber | 27 | Head | Auditor | Iowa |
| 40 | Hermine Webber | 22 | wife | — | Kansas |
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)