JH
John Hartman — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Roanoke-County, Virginia
Our Model Tree links this John Hartman across the 1930 and 1940 US Censuses in Roanoke-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 9-person household.
Age 14
b. ~1926
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Roanoke-County, Virginia |
| Surname | Hartman |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Cave Spring Mag. District |
| 1935 Residence (County) | Roanoke |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Township / Ward | Cave Spring Mag District |
| Est. Birth Year | ~1926 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Jannie Hartman | Daughter | — | 19 | ~1921 |
| Mandy Hartman | Daughter | — | 9 | ~1931 |
| James Hartman | Head | — | 47 | ~1893 |
| James Hartman | Son | — | 12 | ~1928 |
| John Hartman | Son | — | 14 | ~1926 |
| Joseph Hartman | Son | — | 16 | ~1924 |
| Ira Hartman | Son | — | 7 | ~1933 |
| Anothy Hartman | Son | — | 5 | ~1935 |
| Bertha Hartman | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Roanoke, Virginia
Son, age 4
Roanoke, Virginia · implied b. ~1926 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hartman |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Roanoke-County, Virginia
Son, age 14
Roanoke-County, Virginia · implied b. ~1926 — 9 household members
| Surname | Hartman |
| Given Name | John H. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Cave Spring Mag. District |
| 1935 Residence (County) | Roanoke |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
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 John Hartman across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Hartman
Son · 1940 · age 14 · b. ~1926 · Virginia
★ You are viewing this record
Sibling
Mandy Hartman
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hartman
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jannie Hartman
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anothy Hartman
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ira Hartman
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
James Hartman
Sibling · 1940 · age 12
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 — Roanoke-County, Virginia
Open full size
1940 US Federal Census — Roanoke-County, Virginia
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04289-00153)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Harold D. Lawyer | 12 | Grandson | — | Virginia |
| 2 | James C. Hartman | 51 | Head | Contractor | Virginia |
| 3 | Lillie D. Hartman | 54 | Wife | — | Virginia |
| 4 | Rachel D. Hartman | 27 | Daughter | Comber | Virginia |
| 5 | Elbert A. Hartman | 20 | Son | Laborer | Virginia |
| 6 | Katherine M. Sternback | 42 | Head | — | Virginia |
| 7 | Henry Sternback | 19 | Son | New Worker | Virginia |
| 8 | W. Lewis Sternback | 16 | Son | New Worker | Virginia |
| 9 | Leonard L. Martin | 38 | Head | Welder | Virginia |
| 10 | Ellen M. Martin | 36 | Wife | — | Virginia |
| 11 | Jack L. Martin | 12 | Son | — | Virginia |
| 12 | Hubert W. Martin | 11 | Son | — | Virginia |
| 13 | Leonard L. Jr. Martin | 6 | Son | — | Virginia |
| 14 | James C. Hartman | 47 | Head | Laborer | Virginia |
| 15 | Bertha M. Hartman | 39 | Wife | — | Virginia |
| 16 | Jannie D. Hartman | 19 | Daughter | New Worker | Virginia |
| 17 | Joseph L. Hartman | 16 | Son | New Worker | Virginia |
| 18 | John H. Hartman THIS PERSON | 14 | Son | — | Virginia |
| 19 | James E. Hartman | 12 | Son | — | Virginia |
| 20 | Mandy E. Hartman | 9 | Daughter | — | Virginia |
| 21 | Ira E. Hartman | 7 | Son | — | Virginia |
| 22 | Anothy W. Hartman | 5 | Son | — | Virginia |
| 23 | John F. Hartman | 48 | Head | Farmer | Virginia |
| 24 | Mary L. Hartman | 36 | Wife | — | Virginia |
| 25 | Rosie A. Hartman | 17 | Daughter | New Worker | Virginia |
| 26 | Hattie M. Hartman | 15 | Daughter | New Worker | Virginia |
| 27 | Virginia E. Hartman | 13 | Daughter | — | Virginia |
| 28 | Odell J. Hartman | 11 | Son | — | Virginia |
| 29 | Wilma O. Hartman | 10 | Daughter | — | Virginia |
| 30 | Hubert L. Hartman | 7 | Son | — | Virginia |
| 31 | William E. Hartman | 2 | Son | — | Virginia |
| 32 | Mary A. Ridgeway | 72 | Head | — | Virginia |
| 33 | Ernest W. Ridgeway | 26 | Son | Mechanic | Virginia |
| 34 | Ray W. Ridgeway | 31 | Head | Electrician | Virginia |
| 35 | Estelle E. Ridgeway | 30 | Wife | — | Virginia |
| 36 | J. Allen Hartman | 61 | Head | Coach Repair | Virginia |
| 37 | Nannie M. Hartman | 59 | Wife | — | Virginia |
| 38 | Edna M. Hartman | 18 | Daughter | New Worker | Virginia |
| 39 | Leana Harrison | 23 | Daughter | Seamstress | Virginia |
| 40 | Oscar Carter | 60 | Lodger | — | Virginia |
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)