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William Hart — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this William Hart across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Mitchell & Elizabeth — first a head (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Male
Head
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Hart |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Chief Tariff Clerk |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 3120 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Chief Tariff Clerk |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1894 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Rosemarie Hart | Daughter | — | 12 | ~1928 |
| Dorothy Hart | Daughter | — | 7 | ~1933 |
| Stella Hart | Daughter | — | 14 | ~1926 |
| William Hart | Head | — | 46 | ~1894 |
| William Hart | Son | — | 9 | ~1931 |
| Mary Hart | Spouse | — | 48 | ~1892 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 25
Ramsey, Minnesota · implied b. ~1895 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | William A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Clerical |
| Industry | Railroad Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Head, age 35
Ramsey, Minnesota · implied b. ~1895 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Minnesota |
| Age at First Marriage | 24 |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Steam Rail Road |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 5000 |
| Radio Set | R |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 46
Ramsey-County, Minnesota · implied b. ~1894 — 6 household members
| Surname | Hart |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Chief Tariff Clerk |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 42 |
| Income (1939) | 3120 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 William Hart across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Mitchell Hart (~0.92 confidence) and mother Elizabeth Hart (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Mitchell Hart
b. ~1853
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Hart
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hart
Head · 1940 · age 46 · b. ~1894 · Minnesota
★ 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02004-00422)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Rudahl Conti | 31 | Wife | — | Canada English |
| 2 | Marlene Conti | 6 | Daughter | — | Minnesota |
| 3 | Pauline Conti | 2 | Daughter | — | Minnesota |
| 4 | Herman Muench | 53 | Head | Motorman | Germany |
| 5 | Marie K. Muench | 43 | Wife | — | Minnesota |
| 6 | Edwin W. Unglaub | 29 | Son-in-law | Novelty Machine Mechanic | Minnesota |
| 7 | Mae M. Unglaub | 20 | Daughter | — | Minnesota |
| 8 | William J. Heimer | 43 | Head | Inspector & Grinder | Minnesota |
| 9 | Marion S. Heimer | 42 | Wife | Saleslady | Minnesota |
| 10 | Jean Ann Heimer | 11 | Daughter | — | Minnesota |
| 11 | William A. Hart THIS PERSON | 46 | Head | Chief Tariff Clerk | Minnesota |
| 12 | Mary B. Hart | 48 | Wife | — | Wisconsin |
| 13 | Stella Mae Hart | 14 | Daughter | — | Minnesota |
| 14 | Rosemarie Hart | 12 | Daughter | — | Minnesota |
| 15 | William J. Hart | 9 | Son | — | Minnesota |
| 16 | Dorothy R. Hart | 7 | Daughter | — | Minnesota |
| 17 | Rufus Carson | 48 | Head | Butcher Helper | Louisiana |
| 18 | May Alice Carson | 49 | Wife | — | Texas |
| 19 | Rufus J. Carson | 21 | Son | Porter | Texas |
| 20 | Otis Leo Carson | 18 | Son | Laborer | Minnesota |
| 21 | Samuel N. Carson | 16 | Son | — | Minnesota |
| 22 | Dorothy M. Carson | 15 | Daughter | — | Minnesota |
| 23 | Ozella Carson | 12 | Daughter | — | Minnesota |
| 24 | Clyde Carson | 10 | Son | — | Minnesota |
| 25 | Roland Carson | 8 | Son | — | Minnesota |
| 26 | Howard L. Johnson | 40 | Lodger | Butcher | Texas |
| 27 | George H. Arts | 55 | Head | Carpenter | South Dakota |
| 28 | Marjorie R. Arts | 37 | Wife | Proprietor | Wisconsin |
| 29 | Eileen J. Arts | 15 | Daughter | — | Canada English |
| 30 | Here Ends Block 47 And Begins Block 48 | None | — | — | — |
| 31 | John E. B. Ellis | 53 | Head | Dining Car Waiter | Louisiana |
| 32 | Susan B. Ellis | 51 | Wife | — | Missouri |
| 33 | Vivian O. Ellis | 27 | Daughter | Elevator Operator | Minnesota |
| 34 | Mary E. Ellis | 15 | Daughter | — | Minnesota |
| 35 | S. Agnes Ellis | 75 | Head | — | Louisiana |
| 36 | Walter Morgan | 32 | Head | Dining Car Waiter | Tennessee |
| 37 | Florence M. Morgan | 42 | Wife | — | Minnesota |
| 38 | Walter Bledsoe | 48 | Head | Dining Car Waiter | Tennessee |
| 39 | Geneva P. Bledsoe | 47 | Wife | — | Kansas |
| 40 | Henry C. Hovek | 60 | Head | Butcher | Minnesota |
Pedigree Summary
William
Gen 1 · 2 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)