IT
Isaac Thomas — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Portsmouth-City-County, Virginia
Our Model Tree links this Isaac Thomas across the 1920, 1930 and 1940 US Censuses in Portsmouth-City-County, Virginia (XGBoost, ~Confirmed) — first a head (b.~1894), then head of a 3-person household.
Age 46
b. ~1894
Male
Head
Born: North Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Portsmouth-City-County, Virginia |
| Surname | Thomas |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Bennett Creek |
| 1935 Residence (County) | Norfolk |
| Additional Details | |
| Occupation | Machinist |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 4 |
| 1935 Residence | Virginia |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Machinist |
| Township / Ward | Portsmouth |
| 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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Isaac | Age | Birth yr |
|---|---|---|---|---|
| Isaac Thomas | Head | — | 46 | ~1894 |
| Chester Thomas | Son | — | 10 | ~1930 |
| Mary Thomas | Spouse | — | 44 | ~1896 |
Census Appearances
1920
Elizabeth, Virginia
Other, age 24
Elizabeth, Virginia · implied b. ~1896 — 50 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaiah W. |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Industry | U. S. ARMY |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Elizabeth, Virginia
Other, age 35
Elizabeth, Virginia · implied b. ~1895 — 13 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Thomas |
| Given Name | Isaac |
| Relationship to Head | Private |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Soldier |
| Industry | U.S. Army |
| Class of Worker | W |
| Can Read/Write | No |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Portsmouth-City-County, Virginia
Head, age 46
Portsmouth-City-County, Virginia · implied b. ~1894 — 3 household members
| Surname | Thomas |
| Given Name | Isaac J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Bennett Creek |
| 1935 Residence (County) | Norfolk |
| Occupation | Machinist |
| Industry | Navy Yard |
| Class of Worker | GW |
| Hours Worked | 40 |
| Income (1939) | 1820 |
| Highest Grade | No 4 |
| 1935 Residence | Virginia |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Isaac Thomas across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Isaac Thomas
Head · 1940 · age 46 · b. ~1894 · Virginia
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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 — Portsmouth-City-County, Virginia
Open full size
1940 US Federal Census — Portsmouth-City-County, Virginia
Page Contents
34 people indexed on this census page (nara:1940:m-t0627-04317-00161)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Warren Hayden | 18 | Son | Messenger Boy | Virginia |
| 42 | Wilbur Hayden | 15 | Son | — | Virginia |
| 43 | James Hayden | 13 | Son | — | Virginia |
| 44 | Julian Hayden | 11 | Son | — | Virginia |
| 45 | Carolyn Hayden | 9 | Daughter | — | Virginia |
| 46 | Wilford Hayden | 6 | Son | — | Virginia |
| 47 | Virginia Lee Hayden | 4 | Daughter | — | Virginia |
| 48 | Jewel Hayden | 2 | Daughter | — | Virginia |
| 49 | Murray Hayden | 1 | Son | — | Virginia |
| 50 | John Pierce | 44 | Head | Printer | North Carolina |
| 51 | Ethel Pierce | 41 | Wife | — | North Carolina |
| 52 | Murtice Pierce | 21 | Daughter | — | Virginia |
| 53 | Jeanne Pierce | 19 | Daughter | — | Virginia |
| 54 | Joyce Pierce | 11 | Daughter | — | Virginia |
| 55 | Donnie Pierce | 8 | Son | — | Virginia |
| 56 | John H. Aydlette | 36 | Head | General Helper | North Carolina |
| 57 | Cassie G. Aydlette | 35 | Wife | — | Virginia |
| 58 | Carley L. Aydlette | 15 | Son | — | Virginia |
| 59 | Robert G. Aydlette | 13 | Son | — | Virginia |
| 60 | Isaac J. Thomas THIS PERSON | 46 | Head | Machinist | North Carolina |
| 61 | Mary E. Thomas | 44 | Wife | — | Virginia |
| 62 | Chester Clark Thomas | 10 | Son | — | Virginia |
| 63 | Maywood H. Price | 50 | Head | Shipfitter | North Carolina |
| 64 | Lillian Lee Price | 44 | Wife | — | North Carolina |
| 65 | Margie Price | 16 | Daughter | — | Virginia |
| 66 | Roger H. Price | 12 | Son | — | Virginia |
| 67 | Willie N. Lee | 27 | Son-in-law | Service Manager | Virginia |
| 68 | Mildred G. Lee | 25 | Daughter | — | Virginia |
| 69 | Willie N. Jr. Lee | 3 | Grandson | — | Virginia |
| 70 | Frances Grey | 52 | Head | — | Virginia |
| 71 | Guy W. Forbes | 33 | Son | Welder | Virginia |
| 72 | James W. Stephens | 36 | Head | Electrician | Virginia |
| 73 | Lois G. Stephens | 37 | Wife | — | Massachusetts |
| 74 | Willie H. Jones Jr. | 21 | Son | — | 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)