WH
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 1910, 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Lillian — first a head (b.~1906), then head of a 3-person household.
Age 34
b. ~1906
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 | 34 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | New Canada |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Appraiser |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1776 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Appraiser |
| Township / Ward | New Canada |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Diane Hart | Daughter | — | 1 | ~1939 |
| William Hart | Head | — | 34 | ~1906 |
| Katherine Hart | Spouse | — | 33 | ~1907 |
Census Appearances
1910
Ramsey, Minnesota
Son, age 4
Ramsey, Minnesota · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Willie |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Ramsey, Minnesota
Son, age 14
Ramsey, Minnesota · implied b. ~1906 — 7 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 | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 24
Ramsey, Minnesota · implied b. ~1906 — 4 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 | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Occupation | Clerk |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Head, age 34
Ramsey-County, Minnesota · implied b. ~1906 — 3 household members
| Surname | Hart |
| Given Name | William A. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | New Canada |
| 1935 Residence (County) | Ramsey |
| Occupation | Appraiser |
| Industry | Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1776 |
| 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 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Hart (~0.92 confidence) and mother Lillian Hart (~0.92 confidence) and mother Eleanor Hart (~0.92 confidence) and mother Nera Hart (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Hart
b. ~1873
Source father
● Household
· direct · ~0.92
Mother
Lillian Hart
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Eleanor Hart
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Nera Hart
b. ~1887
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hart
Head · 1940 · age 34 · b. ~1906 · 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
38 people indexed on this census page (nara:1940:m-t0627-01950-00642)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hartford P. Langer | 30 | Head | Welder | Minnesota |
| 2 | Florence M. Langer | 26 | Wife | — | Canada |
| 3 | Thomas H. Langer | 6 | Son | — | Minnesota |
| 4 | Barbara E. Langer | 4 | Daughter | — | Minnesota |
| 5 | Louis D. Boileau | 20 | Roomer | New Worker | Minnesota |
| 6 | Helen E. Boileau | 22 | Wife | — | Minnesota |
| 7 | Robert R. Thibolt | 41 | Head | Filling Station | Minnesota |
| 8 | Mabel Thibolt | 37 | Wife | — | Minnesota |
| 9 | Lorraine Thibolt | 13 | Daughter | — | Minnesota |
| 10 | Gerald D. Thibolt | 8 | Son | — | Minnesota |
| 11 | Hermine M. Thibolt | 3 | Daughter | — | Minnesota |
| 12 | Walter Scott | 29 | Boarder | Teacher | Minnesota |
| 13 | Mark Reed | 21 | Boarder | Truck Driver | Minnesota |
| 14 | Edward W. Mccool | 40 | Head | Machinist | Minnesota |
| 15 | Florence A. Mccool | 35 | Wife | — | Minnesota |
| 16 | La Verne A. Mccool | 12 | Daughter | — | Minnesota |
| 17 | Marilyn Mccool | 7 | Daughter | — | Minnesota |
| 18 | Ferdinand Buckner | 36 | Head | Auditor | Minnesota |
| 19 | Queen R. Buckner | 34 | Wife | — | Minnesota |
| 20 | Richard H. Buckner | 5 | Son | — | Minnesota |
| 21 | James D. Buckner | 1 | Son | — | Minnesota |
| 22 | Herman P. Buckner | 44 | Head | Engineer | Minnesota |
| 23 | Mildred P. Buckner | 34 | Wife | — | Minnesota |
| 24 | Donald H. Buckner | 13 | Son | — | Minnesota |
| 25 | Gerald P. Buckner | 10 | Son | — | Minnesota |
| 26 | Thomas E. Buckner | 1 | Son | — | Minnesota |
| 27 | Hal P. Barnes | 48 | Head | Salesman | Ohio |
| 28 | G. Janet Barnes | 40 | Wife | — | Minnesota |
| 29 | Abner J. Anger | 50 | Head | Carpenter | Minnesota |
| 30 | Marguerite E. Anger | 46 | Wife | — | Minnesota |
| 31 | Euphemia Anger | 20 | Daughter | New Worker | Minnesota |
| 32 | William A. Hart THIS PERSON | 34 | Head | Appraiser | Minnesota |
| 33 | Katherine A. Hart | 33 | Wife | Stenographer | Minnesota |
| 34 | Diane K. Hart | 1 | Daughter | — | Minnesota |
| 35 | Frank H. Jones | 41 | Head | Railway Postal Clerk | Minnesota |
| 36 | Flora H. Jones | 38 | Wife | — | Minnesota |
| 37 | Murray J. Jones | 12 | Son | — | Minnesota |
| 38 | James P. Jones | 11 | Son | — | Minnesota |
Pedigree Summary
William
Gen 1 · 4 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)