JK
James Kirby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Newton-County, Mississippi
Our Model Tree links this James Kirby across the 1930 and 1940 US Censuses in Newton-County, Mississippi (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Mississippi
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Newton-County, Mississippi |
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Newton |
| Additional Details | |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
| Occupation | Farm Laborer |
| Township / Ward | Beat 4 |
| Est. Birth Year | ~1924 |
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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Grady Kirby | Son | — | 18 | ~1922 |
| Marcelle Kirby | Daughter | — | 11 | ~1929 |
| Ivey Kirby | Spouse | — | 47 | ~1893 |
| Clifton Kirby | Son | — | 13 | ~1927 |
| Virginia Kirby | Daughter | — | 5 | ~1935 |
| James Kirby | Son | — | 16 | ~1924 |
| Joe Kirby | Son | — | 21 | ~1919 |
| Herbert Kirby | Son | — | 8 | ~1932 |
| Rufus Kirby | Head | — | 45 | ~1895 |
Census Appearances
1930
Newton, Mississippi
Son, age 4
Newton, Mississippi · implied b. ~1926 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Mississippi |
| Father's Birthplace | Mississippi |
| Mother's Birthplace | Mississippi |
| Occupation | none |
| Can Read/Write | No |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
1940
Newton-County, Mississippi
Son, age 16
Newton-County, Mississippi · implied b. ~1924 — 9 household members
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Mississippi |
| 1935 Residence (City) | Beat 4 |
| 1935 Residence (County) | Newton |
| Occupation | Farm Labor |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Mississippi |
| Birth Country | United States |
| Birthplace (normalized) | mississippi |
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 Kirby across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Kirby
Son · 1940 · age 16 · b. ~1924 · Mississippi
★ You are viewing this record
Sibling
Grady Kirby
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joe Kirby
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Kirby
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Kirby
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clifton Kirby
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Marcelle Kirby
Sibling · 1940 · age 11
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 — Newton-County, Mississippi
Open full size
1940 US Federal Census — Newton-County, Mississippi
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02053-00461)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lula A. Vance | 65 | Head | — | Mississippi |
| 42 | Inez Vance | 29 | Daughter | U | Mississippi |
| 43 | Rufus D. Kirby | 45 | Head | Farmer | Mississippi |
| 44 | Ivey Kirby | 47 | Wife | Housewife | Mississippi |
| 45 | Joe B. Kirby | 21 | Son | — | Mississippi |
| 46 | Grady M. Kirby | 18 | Son | Farm Labor | Mississippi |
| 47 | James Kirby THIS PERSON | 16 | Son | Farm Labor | Mississippi |
| 48 | Clifton Kirby | 13 | Son | — | Mississippi |
| 49 | Marcelle Kirby | 11 | Daughter | — | Mississippi |
| 50 | Herbert Kirby | 8 | Son | — | Mississippi |
| 51 | Virginia Kirby | 5 | Daughter | — | Mississippi |
| 52 | Leon T. B. Blackwell | 31 | Head | Farmer | Mississippi |
| 53 | Alta R. Blackwell | 30 | Wife | Housewife | Mississippi |
| 54 | Eva E. Blackwell | 12 | Daughter | — | Mississippi |
| 55 | Allie E. Blackwell | 10 | Daughter | — | Mississippi |
| 56 | Emma N. Blackwell | 8 | Daughter | — | Mississippi |
| 57 | Mary K. Blackwell | 6 | Daughter | — | Mississippi |
| 58 | Nellie A. Blackwell | 4 | Daughter | — | Mississippi |
| 59 | Leon W. Blackwell | 2 | Son | — | Mississippi |
| 60 | James V. Rowell | 41 | Head | Farmer | Mississippi |
| 61 | Dora E. Rowell | 36 | Wife | Housewife | Mississippi |
| 62 | James M. Rowell | 18 | Son | Farm Labor | Mississippi |
| 63 | Annie M. Rowell | 12 | Daughter | — | Mississippi |
| 64 | Maudine Rowell | 10 | Daughter | — | Mississippi |
| 65 | John C. Rowell | 8 | Son | — | Mississippi |
| 66 | Benjamin F. Rowell | 1 | Son | — | Mississippi |
| 67 | Oscar D. Gibbs | 38 | Head | Farmer | Mississippi |
| 68 | Virginia Gibbs | 33 | Wife | Housewife | Mississippi |
| 69 | Maybelle Gibbs | 14 | Daughter | — | Mississippi |
| 70 | James L. Gibbs | 5 | Son | — | Mississippi |
| 71 | Willie B. Gibbs | 2 | Son | — | Mississippi |
| 72 | Robert Hollingsworth | 22 | Head | Farmer | Mississippi |
| 73 | Mary E. Hollingsworth | 18 | Wife | Housewife | Mississippi |
| 74 | Mary E. Hollingsworth | 2 | Daughter | — | Mississippi |
| 75 | Lonnie T. B. Deany | 26 | Head | Farmer | Mississippi |
| 76 | Annie J. Deany | 24 | Wife | Housewife | Mississippi |
| 77 | Ivey Deany | 4 | Daughter | — | Mississippi |
| 78 | Rachel Deany | 3 | Daughter | — | Mississippi |
| 79 | Marie Deany | 1 | Daughter | — | Mississippi |
| 80 | Homer D. Morgan | 51 | Head | Farmer | Mississippi |
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)