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James Kirby — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Edgar-County, Illinois
Our Model Tree links this James Kirby across the 1930 and 1940 US Censuses in Edgar-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 11-person household.
Age 13
b. ~1927
Male
Son
Born: Indiana
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Edgar-County, Illinois |
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Paris |
| 1935 Residence (County) | Edgar |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
| Township / Ward | Paris City |
| Est. Birth Year | ~1927 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Clarence Kirby | Son | — | 5 | ~1935 |
| Clarence Kirby | Head | — | 48 | ~1892 |
| Mary Kirby | Daughter | — | 21 | ~1919 |
| Earl Kirby | Son | — | 7 | ~1933 |
| Harriet Kirby | Daughter | — | 15 | ~1925 |
| Ralph Kirby | Son | — | 10 | ~1930 |
| James Kirby | Son | — | 13 | ~1927 |
| Phyllis Kirby | Daughter | — | 2 | ~1938 |
| Elsie Kirby | Spouse | — | 43 | ~1897 |
| Chester Kirby | Son | — | 26 | ~1914 |
| Jessie Kirby | Daughter | — | 18 | ~1922 |
Census Appearances
1930
Edgar, Illinois
Son, age 3
Edgar, Illinois · implied b. ~1927 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Indiana |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
1940
Edgar-County, Illinois
Son, age 13
Edgar-County, Illinois · implied b. ~1927 — 11 household members
| Surname | Kirby |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Indiana |
| 1935 Residence (City) | Paris |
| 1935 Residence (County) | Edgar |
| Highest Grade | No 5 |
| 1935 Residence | Illinois |
| Birth State | Indiana |
| Birth Country | United States |
| Birthplace (normalized) | indiana |
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 13 · b. ~1927 · Illinois
★ You are viewing this record
Sibling
Ralph Kirby
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarence Kirby
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Earl Kirby
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harriet Kirby
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Chester Kirby
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Kirby
Sibling · 1940 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jessie Kirby
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Kirby
Sibling · 1940 · age 2
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 — Edgar-County, Illinois
Open full size
1940 US Federal Census — Edgar-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00799-00509)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Harlan Fitzpatrick | 59 | Head | Farmer | Illinois |
| 42 | Fair Fitzpatrick | 54 | Wife | None | Illinois |
| 43 | Ben Farris | 49 | Head | Farm Hand | Illinois |
| 44 | Jane Farris | 11 | Daughter | — | Illinois |
| 45 | Anna Mae Simpson | 17 | Scholar | — | Illinois |
| 46 | Clarence Kirby | 48 | Head | Feeder | Illinois |
| 47 | Elsie Kirby | 43 | Wife | None | Illinois |
| 48 | Chester Kirby | 26 | Son | Truck Driver | Illinois |
| 49 | Mary Kirby | 21 | Daughter | Seamstress | Indiana |
| 50 | Jessie Kirby | 18 | Daughter | Seamstress | Indiana |
| 51 | Harriet Kirby | 15 | Daughter | Maid | Indiana |
| 52 | James Kirby THIS PERSON | 13 | Son | — | Indiana |
| 53 | Ralph Kirby | 10 | Son | — | Illinois |
| 54 | Earl Eugene Kirby | 7 | Son | — | Illinois |
| 55 | Clarence Jr. Kirby | 5 | Son | — | Illinois |
| 56 | Phyllis Marie Kirby | 2 | Daughter | — | Illinois |
| 57 | Al Hinds | 79 | Head | Farmer | Illinois |
| 58 | Nora Hinds | 69 | Wife | None | Illinois |
| 59 | Felton Miller | 59 | Head | Farmer | Illinois |
| 60 | Maggie Miller | 55 | Wife | None | Illinois |
| 61 | Bufford Miller | 22 | Son | Farmer | Illinois |
| 62 | C. C. Fuqua | 70 | Head | Farmer | Illinois |
| 63 | C. F. Pearman | 48 | Head | Farmer | Kentucky |
| 64 | Bertha Pearman | 49 | Wife | None | Illinois |
| 65 | Mary Ellen Pearman | 16 | Daughter | None | Illinois |
| 66 | Rachel Frye | 68 | Mother-in-law | None | Illinois |
| 67 | Paul Cassity | 41 | Head | Farm Hand | Illinois |
| 68 | Lucy Cassity | 40 | Wife | None | Illinois |
| 69 | Franklin Cassity | 20 | Son | Farm Hand | Illinois |
| 70 | Marjorie Cassity | 18 | Daughter | Maid | Illinois |
| 71 | Allen Cassity | 14 | Son | — | Illinois |
| 72 | Joan Cassity | 10 | Daughter | — | Illinois |
| 73 | Chester Boland | 54 | Head | Farmer | Illinois |
| 74 | Olive Boland | 51 | Wife | None | Illinois |
| 75 | Howard Boland | 20 | Son | None | Illinois |
| 76 | Ernest Fields | 36 | Head | Ditching | Indiana |
| 77 | Faye Fields | 33 | Wife | None | Indiana |
| 78 | Robert Fields | 15 | Son | — | Indiana |
| 79 | Betty Jane Fields | 14 | Daughter | — | Indiana |
| 80 | Raymond Fields | 12 | Son | — | Indiana |
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)