JC
James Cowan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Richmond-City-County, Virginia
Our Model Tree links this James Cowan across the 1930 and 1940 US Censuses in Richmond-City-County, Virginia (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-City-County, Virginia |
| Surname | Cowan |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chesterfield |
| Additional Details | |
| Occupation | Machine Operator |
| Industry | DuPont Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Virginia |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Machine Operator |
| Township / Ward | Richmond |
| Est. Birth Year | ~1915 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Cowan | Daughter | — | 28 | ~1912 |
| Virginia Cowan | Spouse | — | 60 | ~1880 |
| Johns Cowan | Son | — | 35 | ~1905 |
| James Cowan | Head | — | 62 | ~1878 |
| James Cowan | Son | — | 25 | ~1915 |
| Carter Cowan | Son | — | 23 | ~1917 |
Census Appearances
1930
Henrico, Virginia
Son, age 15
Henrico, Virginia · implied b. ~1915 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cowan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Virginia |
| Can Read/Write | Yes |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1940
Richmond-City-County, Virginia
Son, age 25
Richmond-City-County, Virginia · implied b. ~1915 — 6 household members
| Surname | Cowan |
| Given Name | James Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Chesterfield |
| Occupation | Machine Operator |
| Industry | DuPont Co. |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 900 |
| Highest Grade | H 4 |
| 1935 Residence | Virginia |
| 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 James Cowan across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Cowan
Son · 1940 · age 25 · b. ~1915 · Virginia
★ You are viewing this record
Sibling
Carter Cowan
Sibling · 1940 · age 23
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Johns Cowan
Sibling · 1940 · age 35
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Cowan
Sibling · 1940 · age 28
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 — Richmond-City-County, Virginia
Open full size
1940 US Federal Census — Richmond-City-County, Virginia
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-04323-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Grainger E. Hines | 26 | Head | Interne | Idaho |
| 42 | Elsa S. Hines | 27 | Wife | Office Clerk | West Virginia |
| 43 | Mattie L. Mcdaniel | 42 | Head | Teacher | Virginia |
| 44 | Jean A. Mcdaniel | 13 | Daughter | — | Virginia |
| 45 | J. Gray Mcallister | 67 | Head | Teacher | Virginia |
| 46 | Meta R. Mcallister | 60 | Wife | — | Virginia |
| 47 | J. Louise Mcallister | 27 | Daughter | Music Teacher | Kentucky |
| 48 | Emma Eastham | 63 | Sister-in-law | — | Virginia |
| 49 | Kate Dickerson | 28 | Maid | Gen. Servant | North Carolina |
| 51 | James E. Gray | 70 | Head | — | Virginia |
| 52 | Ada G. Gray | 65 | Wife | — | Virginia |
| 53 | E. Jr. James | 20 | Son | — | West Virginia |
| 54 | Sarah B. James | 19 | Daughter | — | Virginia |
| 55 | William R. James | 18 | Son | — | Virginia |
| 56 | George V. James | 15 | Son | — | Virginia |
| 57 | James Head Cowan | 62 | Head | Merchant | Scotland |
| 58 | Virginia H. Cowan | 60 | Wife | — | Virginia |
| 59 | Margaret V. Cowan | 28 | Daughter | Office Worker | Virginia |
| 60 | James Jr. Cowan THIS PERSON | 25 | Son | Machine Operator | Virginia |
| 61 | Carter H. Cowan | 23 | Son | Cutter | Virginia |
| 62 | Johns Hopkins Cowan | 35 | Son | Dentist | Dist. of Colum. |
| 63 | Samuel L. Angell | 63 | Head | Dentist | North Carolina |
| 64 | Maria Louise Angell | 58 | Wife | — | Virginia |
| 65 | Nancy B. Angell | 30 | Daughter | — | Virginia |
| 66 | W. Valley Angell | 32 | Son | Dentist | Virginia |
| 67 | Alice G. Angell | 29 | Daughter | Typist | Virginia |
| 68 | Beverley Anne Angell | 9 | Granddaughter | — | Virginia |
| 69 | J. Clinton Cox | 29 | Son-in-law | Sales Agt. | Virginia |
| 70 | Elizabeth M. Cox | 29 | Daughter | — | Virginia |
| 71 | Clinton Jr. Cox | 1 | Grandson | — | Virginia |
| 72 | Olive Muller | 55 | Head | — | Virginia |
| 73 | Anne Mcilwaine | 45 | Sister | Asst. Teacher | South Carolina |
| 74 | Dayton S. Killop | 36 | Head | Auto Mechanic | Michigan |
| 75 | Margaret L. Killop | 36 | Wife | Bacteriologist | Michigan |
| 76 | Ann Killop | 11 | Daughter | — | Michigan |
| 77 | (Rev) Thomas Semmes | 79 | Father-in-law | — | Virginia |
| 78 | Preston W. Watt | 51 | Head | V. P. & Trust Off. | Virginia |
| 79 | Eleanor W. Watt | 49 | Wife | — | Virginia |
| 80 | Preston W. Jr. Watt | 17 | 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)