JB
James Bird — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marion-County, Missouri
Our Model Tree links this James Bird across the 1930 and 1940 US Censuses in Marion-County, Missouri (XGBoost, ~Confirmed) — first a son (b.~1915), then head of a 6-person household.
Age 25
b. ~1915
Male
Son
Born: Missouri
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Marion-County, Missouri |
| Surname | Bird |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Ilasco |
| 1935 Residence (County) | Ralls |
| Additional Details | |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Laborer |
| Township / Ward | Hannibal |
| Est. Birth Year | ~1915 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Bird | Son | — | 25 | ~1915 |
| Sylvester Bird | Son | — | 24 | ~1916 |
| S Bird | Head | — | 54 | ~1886 |
| Florence Bird | Daughter | — | 29 | ~1911 |
| Florence Bird | Son | — | 17 | ~1923 |
| Annie Bird | Spouse | — | 50 | ~1890 |
Census Appearances
1930
Ralls, Missouri
Son, age 15
Ralls, Missouri · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Bird |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Marion-County, Missouri
Son, age 25
Marion-County, Missouri · implied b. ~1915 — 6 household members
| Surname | Bird |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 25 |
| Marital Status | Single |
| Birthplace | Missouri |
| 1935 Residence (City) | Ilasco |
| 1935 Residence (County) | Ralls |
| Occupation | Laborer |
| Class of Worker | PW |
| Hours Worked | 52 |
| Income (1939) | 200 |
| Highest Grade | No 7 |
| 1935 Residence | Missouri |
| 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 James Bird across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Bird
Son · 1940 · age 25 · b. ~1915 · Missouri
★ You are viewing this record
Sibling
Sylvester Bird
Sibling · 1940 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Bird
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Florence Bird
Sibling · 1940 · age 29
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 — Marion-County, Missouri
Open full size
1940 US Federal Census — Marion-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02128-00457)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Elmer E Hart | 42 | Head | Horse Trainer | Missouri |
| 42 | Pearl A Hart | 32 | Wife | Shoe Worker | Missouri |
| 43 | John W Thomas | 25 | Step son | — | Missouri |
| 44 | Garnetta Thomas | 19 | Step daughter | — | Missouri |
| 45 | Edward Wyatt | 39 | Head | Clerk | Illinois |
| 46 | Ruth Wyatt | 45 | Wife | — | Missouri |
| 47 | S E Bird | 54 | Head | Baller Maker | Missouri |
| 48 | Annie Bird | 50 | Wife | — | Missouri |
| 49 | Florence Bird | 29 | Daughter | Housework | Missouri |
| 50 | James Bird THIS PERSON | 25 | Son | Laborer | Missouri |
| 51 | Sylvester Bird | 24 | Son | — | Missouri |
| 52 | Florence Bird | 17 | Son | — | Missouri |
| 53 | Sam A Anderson | 42 | Head | Foreman | Illinois |
| 54 | Hallie Anderson | 34 | Wife | — | Illinois |
| 55 | Sam Jr Anderson | 12 | Son | — | Illinois |
| 56 | Linda Pollard | 45 | Lodger | Stenographer | Missouri |
| 57 | Iva Harris | 48 | Lodger | Stenographer | Missouri |
| 58 | James A Ragland | 53 | Head | Miller | Missouri |
| 59 | Letha Ragland | 48 | Wife | Stitcher | Missouri |
| 60 | James A Jr Ragland | 23 | Son | Clerk | Missouri |
| 61 | Charles Laming | 48 | Head | — | Missouri |
| 62 | H C Hanson | 65 | Lodger | Photographer | Germany |
| 63 | Olive Foster | 39 | Head | Truck Driver | Missouri |
| 64 | Iris Foster | 31 | Wife | Stitcher | Missouri |
| 65 | Dalton Foster | 15 | Son | — | Missouri |
| 66 | William Mcfarland | 52 | Head | Laborer | Missouri |
| 67 | Clarence Mcfarland | 19 | Son | Ccc Camp | Missouri |
| 68 | Leon Mcfarland | 17 | Son | — | Missouri |
| 69 | Nathan C Greene | 25 | Head | Attendant | Massachusetts |
| 70 | Eva Parsons Greene | 25 | Wife | Clerk | Missouri |
| 71 | Frank C Rouse | 38 | Head | Office | Missouri |
| 72 | Mary Rouse | 30 | Wife | — | Missouri |
| 73 | Dale R Crowe | 24 | Head | Laborer | Missouri |
| 74 | Dorothy P Crowe | 25 | Wife | Clerk | Missouri |
| 75 | Grace King | 50 | Head | — | Missouri |
| 76 | Hullie King | 28 | Son | Laborer | Missouri |
| 77 | Tom O'Brien | 46 | Head | Laborer | Missouri |
| 78 | Mary O'Brien | 38 | Wife | — | Missouri |
| 79 | Mellie Luther | 24 | Lodger | Steno | Missouri |
| 80 | James R Marvin | 67 | Head | Laborer | Illinois |
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)