JB
John Boyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Marion-County, Illinois
Our Model Tree links this John Boyd across the 1910, 1920, 1930 and 1940 US Censuses in Marion-County, Illinois (XGBoost, ~Confirmed), with identified parents Melvin & Jane — first a head (b.~1907), then head of a 3-person household.
Age 33
b. ~1907
Male
Head
Born: Illinois
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Illinois |
| Surname | Boyd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Kinmundy |
| 1935 Residence (County) | Marion |
| Additional Details | |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 820 |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Bartender |
| Township / Ward | Salem City |
| Est. Birth Year | ~1907 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Boyd | Head | — | 33 | ~1907 |
| David Boyd | Son | — | 3 | ~1937 |
| Thelma Boyd | Spouse | — | 27 | ~1913 |
Census Appearances
1910
Marion, Illinois
Son, age 3
Marion, Illinois · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Speaks English | English |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1920
Marion, Illinois
Son, age 12
Marion, Illinois · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Marion, Illinois
Son, age 23
Marion, Illinois · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | Salesman |
| Industry | Builder Shop |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Marion-County, Illinois
Head, age 33
Marion-County, Illinois · implied b. ~1907 — 3 household members
| Surname | Boyd |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 33 |
| Marital Status | Married |
| Birthplace | Illinois |
| 1935 Residence (City) | Kinmundy |
| 1935 Residence (County) | Marion |
| Occupation | Bartender |
| Industry | Tavern |
| Class of Worker | PW |
| Hours Worked | 60 |
| Income (1939) | 820 |
| Highest Grade | H-4 |
| 1935 Residence | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Boyd across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Melvin Boyd (~0.92 confidence) and mother Jane Boyd (~0.92 confidence) and mother Essie Boyd (~0.92 confidence) and mother Jessie Boyd (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Melvin Boyd
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Jane Boyd
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Essie Boyd
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Jessie Boyd
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Boyd
Head · 1940 · age 33 · b. ~1907 · Illinois
★ 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 — Marion-County, Illinois
Open full size
1940 US Federal Census — Marion-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00853-00277)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel Dougherty | 46 | Wife | — | Illinois |
| 2 | Martin Jr. Dougherty | 22 | Son | Clerk | Illinois |
| 3 | Marceline Dougherty | 9 | Daughter | — | Illinois |
| 4 | Clyde Barrow | 42 | Head | Helper | Illinois |
| 5 | Kathryn Barrow | 42 | Wife | Cotton Painter | Illinois |
| 6 | Clyde Jr. Barrow | 15 | Son | — | Illinois |
| 7 | Chester Collier | 20 | Step-in-law | Waitress | Illinois |
| 8 | Edna Collier | 19 | Daughter | — | Illinois |
| 9 | John Boyd THIS PERSON | 33 | Head | Bartender | Illinois |
| 10 | Thelma Boyd | 27 | Wife | Operator | Illinois |
| 11 | David Richard Boyd | 3 | Son | — | Illinois |
| 12 | Glenn Scunner | Sunner | 37 | Head | Mechanic | Illinois |
| 13 | Bessie Scunner | Sunner | 35 | Wife | — | Illinois |
| 14 | Glenn Jr. Scunner | Sunner | 11 | Son | — | Illinois |
| 15 | Ollie Barker | 22 | Bro-in-law | Electric Lineman | Illinois |
| 16 | William Smith | 24 | Head | Manager | Illinois |
| 17 | Marie Smith | 17 | Wife | — | Illinois |
| 18 | William Jr. Smith | 0 | Son | — | Illinois |
| 19 | Robert Osburn | 23 | Bro-in-law | Draftsman | Iowa |
| 20 | Mary Osburn | 19 | Sister-in-law | — | Illinois |
| 21 | Paul Camp | 38 | Head | Drilling | W. Virginia |
| 22 | Muriel Camp | 31 | Wife | — | W. Virginia |
| 23 | Peggy Joe Camp | 5 | Daughter | — | Texas |
| 24 | Patsy Camp | 2 | Daughter | — | Texas |
| 25 | Charles Camp | 2 | Son | — | Texas |
| 26 | Barbara Ann Camp | 0 | Daughter | — | Centralia |
| 27 | Leal Ramey | 25 | Brother | Labor | Ohio |
| 28 | Albert Myers | 31 | Head | Cutter-Grader | Illinois |
| 29 | Goldie Myers | 24 | Wife | — | Illinois |
| 30 | Richard Myers | 9 | Son | — | Illinois |
| 31 | Mary Helen Myers | 8 | Daughter | — | Illinois |
| 32 | Idella Myers | 6 | Son | — | Illinois |
| 33 | Donald Myers | 5 | Son | — | Illinois |
| 34 | John Myers | 59 | Father | — | Penn. |
| 35 | Herman Cross | 42 | Head | Floor Man | Texas |
| 36 | Esther Cross | 40 | Wife | — | Minnesota |
| 37 | Sherman Cross | 17 | Son | — | Texas |
| 38 | Joyce Cross | 14 | Daughter | — | Texas |
| 39 | Rebecca Cross | 7 | Daughter | — | Texas |
| 40 | Elmer Berall | Beall | 27 | Head | Side Last- | Illinois |
Pedigree Summary
John
Gen 1 · 4 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)