JB
James Boyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Williamson-County, Tennessee
Our Model Tree links this James Boyd across the 1920, 1930 and 1940 US Censuses in Williamson-County, Tennessee (XGBoost, ~Confirmed), with identified parents William & Lula — first a head (b.~1906), then head of a 6-person household.
Age 34
b. ~1906
Male
Head
Born: Tennessee
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Williamson-County, Tennessee |
| Surname | Boyd |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 13 |
| 1935 Residence (County) | Williamson |
| Additional Details | |
| Occupation | Electrician |
| Industry | Electrician Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
| Occupation | Electrician |
| Township / Ward | Civil District 13 |
| Est. Birth Year | ~1906 |
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 |
|---|---|---|---|---|
| Jean Boyd | Daughter | — | 3 | ~1937 |
| Betty Boyd | Daughter | — | 9 | ~1931 |
| James Boyd | Head | — | 34 | ~1906 |
| Leon Boyd | Son | — | 7 | ~1933 |
| Billy Boyd | Son | — | 12 | ~1928 |
| Cora Boyd | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Davidson, Tennessee
Son, age 16
Davidson, Tennessee · implied b. ~1904 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Tennessee |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1930
Davidson, Tennessee
Head, age 24
Davidson, Tennessee · implied b. ~1906 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Tennessee |
| Age at First Marriage | 21 |
| Father's Birthplace | Tennessee |
| Mother's Birthplace | Tennessee |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 2500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
1940
Williamson-County, Tennessee
Head, age 34
Williamson-County, Tennessee · implied b. ~1906 — 6 household members
| Surname | Boyd |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Tennessee |
| 1935 Residence (City) | Civil District 13 |
| 1935 Residence (County) | Williamson |
| Occupation | Electrician |
| Industry | Electrician Co |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2160 |
| Highest Grade | H-4 |
| 1935 Residence | Same House |
| Birth State | Tennessee |
| Birth Country | United States |
| Birthplace (normalized) | tennessee |
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 Boyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Boyd (~0.92 confidence) and mother Lula Boyd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Boyd
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Lula Boyd
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Boyd
Head · 1940 · age 34 · b. ~1906 · Tennessee
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Williamson-County, Tennessee
Open full size
1940 US Federal Census — Williamson-County, Tennessee
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-03949-00505)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Virginia Tomlin | 19 | Daughter | Pocket Book Maker | Tennessee |
| 2 | Dorothy Tomlin | 14 | Daughter | — | Tennessee |
| 3 | Billie Tomlin | 10 | Daughter | — | Tennessee |
| 4 | Marion H. Tomlin | 5 | Son | — | Tennessee |
| 5 | Mary Ann Tomlin | 5 | Daughter | — | Tennessee |
| 6 | T. C. Mcmahon | 74 | Head | — | Tennessee |
| 7 | Maggie Johnson | 42 | Daughter | — | Tennessee |
| 8 | James Boyd THIS PERSON | 34 | Head | Electrician | Tennessee |
| 9 | Cora Boyd | 30 | Wife | — | Tennessee |
| 10 | Billy Boyd | 12 | Son | — | Tennessee |
| 11 | Betty Boyd | 9 | Daughter | — | Tennessee |
| 12 | Leon Boyd | 7 | Son | — | Tennessee |
| 13 | Jean Elizabeth Boyd | 3 | Daughter | — | Tennessee |
| 14 | Walter Johnson | 63 | Head | Farmer | Tennessee |
| 15 | Sadie Johnson | 44 | Wife | — | Tennessee |
| 16 | John W. Johnson | 36 | Son-in-law | Farmer | Tennessee |
| 17 | Louis Johnson | 9 | Grandson | — | Tennessee |
| 18 | Jimmie Johnson | 6 | Grandson | — | Tennessee |
| 19 | Vinnie V. Johnson | 5 | Granddaughter | — | Tennessee |
| 20 | Marvin Campbell | 45 | Head | Farmer | Tennessee |
| 21 | Thelma Campbell | 16 | Wife | — | Tennessee |
| 22 | James Campbell | 15 | Son | — | Tennessee |
| 23 | Aleen Campbell | 13 | Daughter | — | Tennessee |
| 24 | R. W. Jackson | 71 | Head | — | Tennessee |
| 25 | Janis Jackson | 66 | Wife | — | Tennessee |
| 26 | Robert Jackson | 34 | Son | Farmer | Tennessee |
| 27 | Robert Jackson | 13 | Grandson | — | Tennessee |
| 28 | Paul Jackson | 28 | Son | Farmer | Tennessee |
| 29 | Irene Jackson | 26 | Daughter-in-law | — | Tennessee |
| 30 | Allen Jackson | 8 | Grandson | — | Tennessee |
| 31 | Mary Lou Jackson | 6 | Granddaughter | — | Tennessee |
| 32 | Woodrow Jackson | 4 | Grandson | — | Tennessee |
| 33 | Robert A. Flipper | 30 | Head | Farmer | Tennessee |
| 34 | Ola Kate Flipper | 27 | Wife | — | Tennessee |
| 35 | George D. Campbell | 74 | Head | — | Tennessee |
| 36 | Lolly C. Campbell | 65 | Wife | — | Tennessee |
| 37 | James Lon Campbell | 24 | Son | Farmer | Tennessee |
| 38 | Earl Campbell | 34 | Head | Farmer | Tennessee |
| 39 | Ophelia Campbell | 31 | Wife | — | Tennessee |
| 40 | William Lon Campbell | 13 | Son | — | Tennessee |
Pedigree Summary
James
Gen 1 · 2 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)