JB
James Blake — 1940 US Census Record
Model Tree available1940 United States Federal Census · Linn-County, Missouri
Our Model Tree links this James Blake across the 1920, 1930 and 1940 US Censuses in Linn-County, Missouri (XGBoost, ~Confirmed), with identified parents Milo & Anna — first a head (b.~1901), then head of a 4-person household.
Age 39
b. ~1901
Male
Head
Born: Missouri
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Linn-County, Missouri |
| Surname | Blake |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Marceline |
| 1935 Residence (County) | Linn |
| Additional Details | |
| Occupation | Telegraph Operator |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1934 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
| Occupation | Telegraph Operator |
| Township / Ward | Marceline |
| Est. Birth Year | ~1901 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Blake | Head | — | 39 | ~1901 |
| James Blake | Son | — | 15 | ~1925 |
| Beverly Blake | Daughter | — | 13 | ~1927 |
| Nettie Blake | Spouse | — | 39 | ~1901 |
Census Appearances
1920
Linn, Missouri
Son, age 19
Linn, Missouri · implied b. ~1901 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Missouri |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Occupation | Operator |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1930
Linn, Missouri
Head, age 29
Linn, Missouri · implied b. ~1901 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blake |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Missouri |
| Age at First Marriage | 22 |
| Father's Birthplace | Missouri |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | Missouri |
| Birth Country | United States |
| Birthplace (normalized) | missouri |
1940
Linn-County, Missouri
Head, age 39
Linn-County, Missouri · implied b. ~1901 — 4 household members
| Surname | Blake |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Missouri |
| 1935 Residence (City) | Marceline |
| 1935 Residence (County) | Linn |
| Occupation | Telegraph Operator |
| Industry | Steam Railroad |
| Class of Worker | PW |
| Hours Worked | 32 |
| Income (1939) | 1934 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| 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 Blake across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Milo Blake (~0.92 confidence) and mother Anna Blake (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Milo Blake
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Anna Blake
b. ~1872
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Blake
Head · 1940 · age 39 · b. ~1901 · Missouri
★ 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 — Linn-County, Missouri
Open full size
1940 US Federal Census — Linn-County, Missouri
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02125-00473)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Thomas J. Davis | 72 | Head | Janitor | Wales |
| 2 | Jamie D. Davis | 70 | Wife | — | England |
| 3 | Vesta Langwell | 36 | Head | Locomotive Brakeman | Missouri |
| 4 | Viola D. Langwell | 31 | Wife | — | Missouri |
| 5 | Patricia Langwell | 5 | Daughter | — | Missouri |
| 6 | Thomas Sparkman | 77 | Head | Caretaker | Missouri |
| 7 | Jennie Sparkman | 70 | Wife | — | Pennsylvania |
| 8 | Willa Sparkman | 45 | Daughter | — | Missouri |
| 9 | Ralph S. Scott | 28 | Head | Common Laborer | Missouri |
| 10 | Virginia Scott | 19 | Wife | — | Missouri |
| 11 | Laura Mae Scott | 1 | Daughter | — | Missouri |
| 12 | Judy Ann Scott | 0 | Daughter | — | Missouri |
| 13 | Earl Ross | 34 | Head | Water Service Man | Missouri |
| 14 | Beulah Ross | 31 | Wife | — | Iowa |
| 15 | Melaree Ross | 12 | Daughter | — | Missouri |
| 16 | Ronald Ross | 9 | Son | — | Missouri |
| 17 | Charley C. Scott | 58 | Head | Section Foreman | Iowa |
| 18 | Hazel D. Scott | 50 | Wife | — | Colorado |
| 19 | Rollie Scott | 26 | Son | Common Laborer | Missouri |
| 20 | Clarence H. Scott | 20 | Son | Car Salesman | Missouri |
| 21 | Elaine Scott | 20 | Daughter-in-law | Beauty Operator | Kansas |
| 22 | Essell D. Cannon | 28 | Head | Common Laborer | Missouri |
| 23 | Opal Cannon | 20 | Wife | — | Missouri |
| 24 | Nancy Lee Cannon | 0 | Daughter | — | Missouri |
| 25 | Harry D. Kelly | 48 | Head | — | Missouri |
| 26 | Francis D. Brammer | 27 | Head | Miner | Missouri |
| 27 | Jenny Gal Brammer | 25 | Wife | — | Missouri |
| 28 | Betty Louise Brammer | 7 | Daughter | — | Missouri |
| 29 | Francis Leon Brammer | 4 | Son | — | Missouri |
| 30 | James Blake THIS PERSON | 39 | Head | Telegraph Operator | Missouri |
| 31 | Nettie D. Blake | 39 | Wife | — | Missouri |
| 32 | James H. Blake | 15 | Son | — | Missouri |
| 33 | Beverly Blake | 13 | Daughter | — | Missouri |
| 34 | Lou W. D. Kelly | 55 | Head | Owner | Missouri |
| 35 | Maude Kelly | 53 | Wife | Helper | Missouri |
| 36 | Lewis D. Kelly | 17 | Son | — | Missouri |
| 37 | William Leo D. Kelly | 33 | Head | Assistant | Colorado |
| 38 | Flossie Kelly | 31 | Wife | — | Missouri |
| 39 | William Earl Kelly | 9 | Son | — | Missouri |
| 40 | Emma C. D. Foley | 40 | Head | Owner | Missouri |
Pedigree Summary
James
Gen 1 · 2 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)