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Mary Boyd — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wyandotte-County, Kansas
Our Model Tree links this Mary Boyd across the 1910, 1920, 1930 and 1940 US Censuses in Wyandotte-County, Kansas (XGBoost, ~Confirmed), with identified parents Clyde & Jean — first a daughter (b.~1905), then head of a 5-person household.
Age 35
b. ~1905
Female
Daughter
Born: Kansas
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wyandotte-County, Kansas |
| Surname | Boyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City City |
| 1935 Residence (County) | Wyandotte |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | retail grocery drapery shop |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 675 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
| Occupation | Bookkeeper |
| Township / Ward | Kansas City City |
| Est. Birth Year | ~1905 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Boyd | Daughter | — | 35 | ~1905 |
| Agnes Boyd | Daughter | — | 28 | ~1912 |
| Clyde Boyd | Head | — | 65 | ~1875 |
| Thomas Mcgunn | Son | — | 19 | ~1921 |
| Thomas Mcgunn | Son | — | 19 | ~1921 |
Census Appearances
1910
Wyandotte, Kansas
Daughter, age 6
Wyandotte, Kansas · implied b. ~1904 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 6 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1920
Wyandotte, Kansas
Daughter, age 15
Wyandotte, Kansas · implied b. ~1905 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Mary |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Scotland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1930
Wyandotte, Kansas
Daughter, age 25
Wyandotte, Kansas · implied b. ~1905 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Boyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Kansas |
| Father's Birthplace | Ohio |
| Mother's Birthplace | Scotland |
| Occupation | Bookkeeper |
| Industry | Father's Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
1940
Wyandotte-County, Kansas
Daughter, age 35
Wyandotte-County, Kansas · implied b. ~1905 — 5 household members
| Surname | Boyd |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 35 |
| Marital Status | Single |
| Birthplace | Kansas |
| 1935 Residence (City) | Kansas City City |
| 1935 Residence (County) | Wyandotte |
| Occupation | Bookkeeper |
| Industry | retail grocery drapery shop |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 675 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Kansas |
| Birth Country | United States |
| Birthplace (normalized) | kansas |
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 Mary Boyd across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clyde Boyd (~0.92 confidence) and mother Jean Boyd (~0.92 confidence) and mother Iva Boyd (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clyde Boyd
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Jean Boyd
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Iva Boyd
b. ~1875
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Boyd
Daughter · 1940 · age 35 · b. ~1905 · Kansas
★ You are viewing this record
Sibling
Thomas Mcgunn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mcgunn
Sibling · 1940 · age 19
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Agnes Boyd
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 — Wyandotte-County, Kansas
Open full size
1940 US Federal Census — Wyandotte-County, Kansas
Page Contents
11 people indexed on this census page (nara:1940:m-t0627-01268-00584)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Flora B. Johnson | 61 | Head | — | Kansas |
| 42 | Floyd R. Nease | 16 | Nephew | — | Kansas |
| 43 | George E. Grubb | 35 | Lodger | Operator Of Hamburger Shop | Kansas |
| 44 | Victor Sherer | 23 | Lodger | Cleaner | Missouri |
| 45 | Clyde R. Boyd | 65 | Head | Manager Of Company | Ohio |
| 46 | Mary Boyd THIS PERSON | 35 | Daughter | Bookkeeper | Kansas |
| 47 | Agnes Boyd | 28 | Daughter | Payroll Clerk | Kansas |
| 48 | Thomas J. Mcgunn | 19 | Son | Ground Crewman | Kansas |
| 49 | Thomas J. Mcgunn | 19 | Son | Ground Crewman | Kansas |
| 50 | Keith Sheppard | 27 | Head | Salesman | Kansas |
| 51 | Harriett Sheppard | 28 | Wife | Service Representative | Iowa |
Pedigree Summary
Mary + 3 siblings
Gen 1 · 3 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)