WB
William Boyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Sullivan-County, Missouri
Our Model Tree links this William Boyd across the 1920, 1930 and 1940 US Censuses in Sullivan-County, Missouri (XGBoost, ~Confirmed), with identified parents Leonard & Maud — first a head (b.~1906), then head of a 4-person household.
Age 34
b. ~1906
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Sullivan-County, Missouri |
| Surname | Boyd |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Milan City |
| 1935 Residence (County) | Sullivan |
| Additional Details | |
| Occupation | Manager |
| Industry | Salvage and Filling Station |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 720 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Manager |
| Township / Ward | Milan City |
| 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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Barbara Boyd | Daughter | — | 12 | ~1928 |
| Donna Boyd | Daughter | — | 13 | ~1927 |
| William Boyd | Head | — | 34 | ~1906 |
| Mabel Boyd | Spouse | — | 34 | ~1906 |
Census Appearances
1920
Sullivan, Missouri
Son, age 14
Sullivan, Missouri · implied b. ~1906 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | William M. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Sullivan, Missouri
Head, age 24
Sullivan, Missouri · implied b. ~1906 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Willie M |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 20 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Kentucky |
| Occupation | Labourer |
| Industry | State Highway |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Sullivan-County, Missouri
Head, age 34
Sullivan-County, Missouri · implied b. ~1906 — 4 household members
| Surname | Boyd |
| Given Name | William M. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Milan City |
| 1935 Residence (County) | Sullivan |
| Occupation | Manager |
| Industry | Salvage and Filling Station |
| Class of Worker | PW |
| Hours Worked | 72 |
| Income (1939) | 720 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
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 William Boyd across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Leonard Boyd (~0.92 confidence) and mother Maud Boyd (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Leonard Boyd
b. ~1867
Source father
● Household
· direct · ~0.92
Mother
Maud Boyd
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Boyd
Head · 1940 · age 34 · b. ~1906 · Missouri
★ 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 — Sullivan-County, Missouri
Open full size
1940 US Federal Census — Sullivan-County, Missouri
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-02160-00686)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas Waldeck | 56 | Head | Laborer | Missouri |
| 2 | Lola Waldeck | 31 | Wife | — | Missouri |
| 3 | Francis A. Waldeck | 3 | Son | — | Missouri |
| 4 | Quay F. Waldeck | 2 | Daughter | — | Missouri |
| 5 | Alice Deeds | 61 | Head | Laborer | Missouri |
| 6 | Charles T. Hayes | 69 | Head | Care Taker | Missouri |
| 7 | Lula E. Hayes | 64 | Wife | — | Missouri |
| 8 | Nancy E. Cannon | 66 | Head | — | Missouri |
| 9 | Ethel J. Cannon | 32 | Daughter | Deputy Probate Clerk | Wyoming |
| 10 | Chester J. Davis | 41 | Head | Laborer | Missouri |
| 11 | Clara E. Davis | 39 | Wife | — | Missouri |
| 12 | Maxine A. Davis | 16 | Daughter | — | Missouri |
| 13 | Chester J. Jr. Davis | 2 | Son | — | Missouri |
| 14 | Mack H. Hagan | 39 | Head | Laborer | Missouri |
| 15 | Ursula S. Hagan | 36 | Wife | — | Missouri |
| 16 | John Mack Hagan | 9 | Son | — | Missouri |
| 17 | Harry S. Brooks | 61 | Head | Brakeman | Ohio |
| 18 | Jennie Pearl Brooks | 57 | Wife | — | Missouri |
| 19 | Duane H. Brooks | 17 | Son | — | Missouri |
| 20 | William M. Boyd THIS PERSON | 34 | Head | Manager | Missouri |
| 21 | Mabel D. Boyd | 34 | Wife | Seamstress | Missouri |
| 22 | Donna L. Boyd | 13 | Daughter | — | Missouri |
| 23 | Barbara E. Boyd | 12 | Daughter | — | Missouri |
| 24 | Alice E. Hudson | 75 | Head | — | Missouri |
| 25 | David L. Aulsbury | 75 | Head | — | Iowa |
| 26 | Nova C. Aulsbury | 50 | Son | Carpenter | Missouri |
| 27 | Wilson H. Aulsbury | 30 | Son | Carpenter | Missouri |
| 28 | Marguerite I. Aulsbury | 27 | Daughter in law | — | Missouri |
| 29 | Robert Caldwell | 82 | Head | — | Missouri |
| 30 | John Caldwell | 56 | Son | — | Missouri |
| 31 | Nora E. Dehm | 46 | Daughter | — | Missouri |
| 32 | Dorothy E. Dehm | 12 | Granddaughter | — | Missouri |
| 33 | Lee Russell | 12 | Son | — | Missouri |
| 34 | Rada Mae Russell | 7 | Daughter | — | Missouri |
| 35 | Henry W. Gladwell | 54 | Head | — | Missouri |
| 36 | Roxie A. Gladwell | 52 | Wife | — | Missouri |
| 37 | John Q. Mccarty | 55 | Head | Fireman | Ohio |
| 38 | Joseph Mccarty | 25 | Son | Painter | Missouri |
Pedigree Summary
William
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)