JM
James Mcdonough — 1940 US Census Record
Model Tree available1940 United States Federal Census · Richmond-City-County, Virginia
Our Model Tree links this James Mcdonough across the 1920, 1930 and 1940 US Censuses in Richmond-City-County, Virginia (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1920), then head of a 4-person household.
Age 20
b. ~1920
Male
Son
Born: Virginia
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Richmond-City-County, Virginia |
| Surname | McDonough |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Richmond |
| 1935 Residence (County) | Richmond City |
| Additional Details | |
| Occupation | Lab. Worker |
| Industry | Chemistry Lab |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 70 |
| Highest Grade | C 1 |
| 1935 Residence | Same place |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
| Occupation | Lab. Worker |
| Township / Ward | Richmond |
| Est. Birth Year | ~1920 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| John Mcdonough | Head | — | 48 | ~1892 |
| James Mcdonough | Son | — | 20 | ~1920 |
| Doris Mcdonough | Daughter | — | 15 | ~1925 |
| Martha Mcdonough | Spouse | — | 42 | ~1898 |
Census Appearances
1920
Henrico, Virginia
Son, age
Henrico, Virginia · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James A |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| Mother's Birthplace | Virginia |
| Speaks English | none |
| Birth State | Virginia |
| Birth Country | United States |
| Birthplace (normalized) | virginia |
1930
Henrico, Virginia
Son, age 10
Henrico, Virginia · implied b. ~1920 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McDonough |
| Given Name | James A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Virginia |
| Father's Birthplace | Virginia |
| 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 20
Richmond-City-County, Virginia · implied b. ~1920 — 4 household members
| Surname | McDonough |
| Given Name | James A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Virginia |
| 1935 Residence (City) | Richmond |
| 1935 Residence (County) | Richmond City |
| Occupation | Lab. Worker |
| Industry | Chemistry Lab |
| Class of Worker | GW |
| Hours Worked | 5 |
| Income (1939) | 70 |
| Highest Grade | C 1 |
| 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 James Mcdonough across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Mcdonough (~0.92 confidence) and father John Mcdonough (~0.92 confidence) and mother Ella Mcdonough (~0.92 confidence) and mother Etta Mcdonough (~0.92 confidence) and mother Martha Mcdonough (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Mcdonough
b. ~1893
Source father
● Household
· direct · ~0.92
Father
John Mcdonough
b. ~1892
Source father
● Household
· direct · ~0.92
Mother
Ella Mcdonough
b. ~1899
Source mother
● Household
· direct · ~0.92
Mother
Etta Mcdonough
b. ~1898
Source mother
● Household
· direct · ~0.92
Mother
Martha Mcdonough
b. ~1898
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Mcdonough
Son · 1940 · age 20 · b. ~1920 · Virginia
★ You are viewing this record
Sibling
Doris Mcdonough
Sibling · 1940 · age 15
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-t0627-04322-00327)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mabel Kidwell | 15 | Daughter | — | Virginia |
| 2 | Doris Adams | 19 | Daughter | — | Virginia |
| 3 | Daniel Adams | 24 | Son | Operator | Virginia |
| 4 | Doris Adams | 2 | Daughter | — | Virginia |
| 5 | Betty Jean Adams | 2 | Daughter | — | Virginia |
| 6 | William Currie | 23 | Stepson | Operator | Virginia |
| 7 | James H. Cannon | 44 | Head | Meat Cutter | Virginia |
| 8 | Mary L. Cannon | 52 | Wife | — | Virginia |
| 9 | Herbert L. Liggon | 26 | Stepson | Maintenance Man | Virginia |
| 10 | Agnes Liggon | 19 | Stepdaughter | — | Virginia |
| 11 | Alma Liggon | 17 | Stepdaughter | — | Virginia |
| 12 | Harry Liggon | 12 | Stepson | — | Virginia |
| 13 | Arthur Sydnor | 46 | Head | Fireman | Virginia |
| 14 | Alice S. Sydnor | 41 | Wife | — | Virginia |
| 15 | Ethel Sydnor | 21 | Daughter | Calculator | Virginia |
| 16 | Edward L. Sydnor | 20 | Son | Truck Driver | Virginia |
| 17 | Antonio Marra | 57 | Lodger | Oiler | Portugal |
| 18 | William E. Bear | 64 | Head | — | Virginia |
| 19 | Sarah Bear | 77 | Wife | — | Virginia |
| 20 | Ernest Bear | 30 | Head | Painter | Virginia |
| 21 | Helen Bear | 28 | Wife | — | Virginia |
| 22 | Edward Bear | 7 | Son | — | Virginia |
| 23 | Joyce Bear | 2 | Daughter | — | Virginia |
| 24 | Lennie O. Clark | 58 | Head | Traffic Officer | Virginia |
| 25 | Carrie B. Clark | 56 | Wife | — | Virginia |
| 26 | Lewis Clark | 20 | Son | Salesman | Virginia |
| 27 | Doris Lee Clark | 18 | Daughter | Packer | Virginia |
| 28 | John J. Mcdonough | 48 | Head | Clerk | Virginia |
| 29 | Martha Mcdonough | 42 | Wife | — | Virginia |
| 30 | James A. Mcdonough THIS PERSON | 20 | Son | Lab. Worker | Virginia |
| 31 | Doris Mcdonough | 15 | Daughter | — | Virginia |
| 32 | Howard Goodloe | 51 | Head | Engineer | Virginia |
| 33 | Eunice Goodloe | 31 | Wife | — | Virginia |
| 34 | Evelyn Goodloe | 17 | Daughter | — | Virginia |
| 35 | John M. Goodloe | 10 | Son | — | Virginia |
| 36 | Audrey Goodloe | 5 | Daughter | — | Virginia |
| 37 | William Bolan | 46 | Head | Fireman | Virginia |
| 38 | Jessie Bolan | 36 | Wife | — | Virginia |
| 39 | William Jr. Bolan | 16 | Son | — | Virginia |
Pedigree Summary
James + 1 sibling
Gen 1 · 5 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)