JK
John Kirby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Caldwell-County, North Carolina
Our Model Tree links this John Kirby across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Caldwell-County, North Carolina (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 3-person household.
Age 67
b. ~1873
Male
Head
Born: North Carolina
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Caldwell-County, North Carolina |
| Surname | Kirby |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Lower Creek |
| 1935 Residence (County) | Caldwell |
| Additional Details | |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H-0 |
| 1935 Residence | Same house |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
| Occupation | Farm Laborer |
| Township / Ward | Lower Creek |
| Est. Birth Year | ~1873 |
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 |
|---|---|---|---|---|
| Etta Kirby | Spouse | — | 63 | ~1877 |
| John Kirby | Head | — | 67 | ~1873 |
| Mattie Kirby | Daughter | — | 15 | ~1925 |
Census Appearances
1900
Caldwell, North …
Head, age 26
Caldwell, North Carolina · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Birth Month | Jan |
| Birth Year | 1874 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1910
Caldwell, North …
Head, age 34
Caldwell, North Carolina · implied b. ~1876 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | John G |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Years Married | 2 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1920
Caldwell, North …
Head, age 43
Caldwell, North Carolina · implied b. ~1877 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | John F |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Industry | Gen Farm |
| Class of Worker | OA |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | F |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1930
Caldwell, North …
Head, age 54
Caldwell, North Carolina · implied b. ~1876 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | John Z. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 54 |
| Marital Status | Married |
| Birthplace | North Carolina |
| Age at First Marriage | 28 |
| Father's Birthplace | North Carolina |
| Mother's Birthplace | North Carolina |
| Occupation | Farmer |
| Industry | General Farm |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
1940
Caldwell-County, North …
Head, age 67
Caldwell-County, North Carolina · implied b. ~1873 — 3 household members
| Surname | Kirby |
| Given Name | John |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 67 |
| Marital Status | Married |
| Birthplace | North Carolina |
| 1935 Residence (City) | Lower Creek |
| 1935 Residence (County) | Caldwell |
| Occupation | Farm laborer |
| Industry | Farm |
| Class of Worker | OA |
| Hours Worked | 50 |
| Income (1939) | 0 |
| Highest Grade | H-0 |
| 1935 Residence | Same house |
| Birth State | North Carolina |
| Birth Country | United States |
| Birthplace (normalized) | north carolina |
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 Kirby across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
John Kirby
Head · 1940 · age 67 · b. ~1873 · North Carolina
★ 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 — Caldwell-County, North Carolina
Open full size
1940 US Federal Census — Caldwell-County, North Carolina
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02883-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James James | 14 | Head | Cabinet Maker | North Carolina |
| 42 | Ralph Kirby | 28 | Head | Cabinet Maker | North Carolina |
| 43 | Deila Kirby | 26 | Wife | — | North Carolina |
| 44 | Irene Kirby | 10 | Daughter | — | North Carolina |
| 45 | Bobby Kirby | 2 | Son | — | North Carolina |
| 46 | Tyre Kirby | 40 | Head | Logger | North Carolina |
| 47 | Louise Kirby | 40 | Wife | — | North Carolina |
| 48 | Florence Kirby | 16 | Daughter | — | North Carolina |
| 49 | Rosa Kirby | 14 | Daughter | — | North Carolina |
| 50 | Cora L. Kirby | 12 | Daughter | — | North Carolina |
| 51 | J. W. Kirby | 9 | Son | — | North Carolina |
| 52 | Rebecca Kirby | 6 | Daughter | — | North Carolina |
| 53 | John Kirby THIS PERSON | 67 | Head | Farm Laborer | North Carolina |
| 54 | Etta Kirby | 63 | Wife | — | North Carolina |
| 55 | Mattie Kirby | 15 | Daughter | — | North Carolina |
| 56 | William Kirby | 33 | Head | Chair Finisher | North Carolina |
| 57 | Carrie Kirby | 33 | Wife | — | North Carolina |
| 58 | Lloyd Kirby | 10 | Son | — | North Carolina |
| 59 | Alma Kirby | 9 | Daughter | — | North Carolina |
| 60 | Hazel Kirby | 8 | Daughter | — | North Carolina |
| 61 | Emilie Kirby | 6 | Son | — | North Carolina |
| 62 | Junlee Kirby | 4 | Daughter | — | North Carolina |
| 63 | Greta Kirby | 3 | Daughter | — | North Carolina |
| 64 | Wayne Kirby | 0 | Son | — | North Carolina |
| 65 | Lee D. Crump | 43 | Head | Sander | North Carolina |
| 66 | Jessie Crump | 39 | Wife | — | North Carolina |
| 67 | Ruby Crump | 19 | Son | Finisher | North Carolina |
| 68 | Sherman Crump | 18 | Son | Furniture Worker | North Carolina |
| 69 | Herman Crump | 17 | Son | — | North Carolina |
| 70 | Ellie Mae Crump | 14 | Daughter | — | North Carolina |
| 71 | Estelle Crump | 12 | Daughter | — | North Carolina |
| 72 | Cadeline Crump | 9 | Daughter | — | North Carolina |
| 73 | Delores Crump | 8 | Son | — | North Carolina |
| 74 | Herman Church | 53 | Head | Moulder | North Carolina |
| 75 | Florence Church | 49 | Wife | — | North Carolina |
| 76 | Ethyle Church | 31 | Daughter | — | North Carolina |
| 77 | Jeriline Church | 2 | Granddaughter | — | North Carolina |
| 78 | Bobby Church | 11 | Grandson | — | North Carolina |
| 79 | Sidney Crump | 40 | Head | Sander | North Carolina |
| 80 | Rose Crump | 40 | Wife | — | North Carolina |
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)