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Robert Hart — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Ingham-County, Michigan
Our Model Tree links this Robert Hart across the 1930 and 1940 US Censuses in Ingham-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ingham-County, Michigan |
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing city |
| 1935 Residence (County) | Ingham |
| Additional Details | |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Lansing City |
| Est. Birth Year | ~1927 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Hart | Head | — | 43 | ~1897 |
| Deloris Hart | Daughter | — | 9 | ~1931 |
| Bernice Hart | Daughter | — | 5 | ~1935 |
| Charlotte Hart | Spouse | — | 37 | ~1903 |
| Thomas Hart | Son | — | 3 | ~1937 |
| Clara Hart | Daughter | — | 17 | ~1923 |
| Robert Hart | Son | — | 13 | ~1927 |
| June Hart | Daughter | — | 7 | ~1933 |
| Betty Hart | Daughter | — | 15 | ~1925 |
| Dawn Hart | Daughter | — | 1 | ~1939 |
Census Appearances
1930
Ingham, Michigan
Son, age 3
Ingham, Michigan · implied b. ~1927 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Ingham-County, Michigan
Son, age 13
Ingham-County, Michigan · implied b. ~1927 — 10 household members
| Surname | Hart |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Lansing city |
| 1935 Residence (County) | Ingham |
| Highest Grade | 6 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Robert Hart across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Robert Hart
Son · 1940 · age 13 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
Betty Hart
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Hart
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Deloris Hart
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dawn Hart
Sibling · 1940 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Hart
Sibling · 1940 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Bernice Hart
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
June Hart
Sibling · 1940 · age 7
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 — Ingham-County, Michigan
Open full size
1940 US Federal Census — Ingham-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01760-00175)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Wilma Bach | 9 | Daughter | — | Michigan |
| 2 | Carol Bach | 4 | Daughter | — | Michigan |
| 3 | Arthur Griffith | 50 | Head | Stationary Engine Fireman | Michigan |
| 4 | Lillian @ Griffith | 49 | Wife | — | Canada |
| 5 | Mildred Griffith | 23 | Daughter | Stenographer | Michigan |
| 6 | Evelyn Griffith | 13 | Daughter | — | Michigan |
| 7 | Robert Hart | 43 | Head | Washer | Michigan |
| 8 | Charlotte @ Hart | 37 | Wife | — | Michigan |
| 9 | Clara Hart | 17 | Daughter | — | Michigan |
| 10 | Betty Hart | 15 | Daughter | — | Michigan |
| 11 | Robert Hart THIS PERSON | 13 | Son | — | Michigan |
| 12 | Deloris Hart | 9 | Daughter | — | Michigan |
| 13 | June Hart | 7 | Daughter | — | Michigan |
| 14 | Bernice Hart | 5 | Daughter | — | Michigan |
| 15 | Thomas Hart | 3 | Son | — | Michigan |
| 16 | Dawn Hart | 1 | Daughter | — | Michigan |
| 17 | Clifford Bever | 44 | Head | Experimental | Michigan |
| 18 | Marion @ Bever | 35 | Wife | — | Michigan |
| 19 | Barbara Bever | 11 | Daughter | — | Michigan |
| 20 | Gerald Bever | 9 | Son | — | Michigan |
| 21 | Harold E. Cook | 40 | Head | Experimental | Michigan |
| 22 | Fern @ Cook | 41 | Wife | — | Michigan |
| 23 | Earl Kavanagh | 32 | Head | Foreman | Michigan |
| 24 | Lace @ Kavanagh | 32 | Wife | — | Michigan |
| 25 | Marjorie Kavanagh | 6 | Daughter | — | Michigan |
| 26 | Johnnie Kavanagh | 3 | Daughter | — | Michigan |
| 27 | Don Kavanagh | 2 | Son | — | Michigan |
| 28 | Adam Kozlosky | 45 | Head | Salesman | Russia |
| 29 | Anna @ Kozlosky | 37 | Wife | — | Michigan |
| 30 | Marie Kozlosky | 16 | Daughter | — | Michigan |
| 31 | Freda Gillette | 18 | Daughter | Typist | Michigan |
| 32 | Oscar Cramer | 72 | Head | Foreman | Michigan |
| 33 | Ada Cramer | 69 | Wife | — | Michigan |
| 34 | Eleanor @ Devoe | 26 | Head | — | Michigan |
| 35 | David Devoe | 2 | Son | — | Michigan |
| 36 | John Knox | 37 | Head | Owner | Michigan |
| 37 | Helen @ Knox | 36 | Wife | — | Iowa |
| 38 | Catherine Knox | 1 | Daughter | — | Michigan |
| 39 | Josephine Knox | 1 | Daughter | — | Michigan |
| 40 | Marie @ Alexander | 34 | Head | Maid | Michigan |
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)