JD
James Davenport — 1940 US Census Record
Model Tree available1940 United States Federal Census · Jersey-County, Illinois
Our Model Tree links this James Davenport across the 1920, 1930 and 1940 US Censuses in Jersey-County, Illinois (XGBoost, ~Confirmed), with identified parents Clarence & Isaac — first a son (b.~1916), then head of a 3-person household.
Age 24
b. ~1916
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jersey-County, Illinois |
| Surname | Davenport |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Grafton City |
| 1935 Residence (County) | Jersey |
| Additional Details | |
| Occupation | Fisherman |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Occupation | Fisherman |
| Township / Ward | Grafton City |
| Est. Birth Year | ~1916 |
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 James | Age | Birth yr |
|---|---|---|---|---|
| Lillie Davenport | Spouse | — | 57 | ~1883 |
| Clarence Davenport | Head | — | 65 | ~1875 |
| James Davenport | Son | — | 24 | ~1916 |
Census Appearances
1920
Jersey, Illinois
Son, age 3
Jersey, Illinois · implied b. ~1917 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Davenport |
| Given Name | James B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1930
Jersey, Illinois
Son, age 13
Jersey, Illinois · implied b. ~1917 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | DAVENPORT |
| Given Name | James D |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Missouri |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jersey-County, Illinois
Son, age 24
Jersey-County, Illinois · implied b. ~1916 — 3 household members
| Surname | Davenport |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Grafton City |
| 1935 Residence (County) | Jersey |
| Occupation | Fisherman |
| Class of Worker | OA |
| Hours Worked | 8 |
| Income (1939) | 0 |
| Highest Grade | H-4 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
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 Davenport across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Clarence Davenport (~0.92 confidence) and father Isaac Davenport (~0.92 confidence) and father James Davenport (~0.92 confidence) and mother Lillie Davenport (~0.92 confidence) and mother Lillie Davenport (~0.92 confidence) and mother Ollie Davenport (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Clarence Davenport
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Isaac Davenport
b. ~1875
Source father
● Household
· direct · ~0.92
Father
James Davenport
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Lillie Davenport
b. ~1883
Source mother
● Household
· direct · ~0.92
Mother
Lillie Davenport
b. ~1884
Source mother
● Household
· direct · ~0.92
Mother
Ollie Davenport
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Davenport
Son · 1940 · age 24 · b. ~1916 · Illinois
★ 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 — Jersey-County, Illinois
Open full size
1940 US Federal Census — Jersey-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00817-00312)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Clarence Davenport | 65 | Head | Fisherman | Illinois |
| 42 | Lillie V. Davenport | 57 | Wife | — | Illinois |
| 43 | James Davenport THIS PERSON | 24 | Son | Fisherman | Illinois |
| 44 | Charles Century | 41 | Head | Proprietor | Illinois |
| 45 | Alma Century | 31 | Wife | — | Illinois |
| 46 | Edna Century | 4 | Son | — | Illinois |
| 47 | William Greene | 47 | Lodger | Apprentice Clerk | Utah |
| 48 | Eugene Elliott | 33 | Lodger | Roadman | Georgia |
| 49 | Ward Kelley | 48 | Lodger | Powder Packer | Illinois |
| 50 | Nellie Timpf | 33 | Lodger | Waitress | Illinois |
| 51 | Richard Brown | 32 | Lodger | Nitro-Glycerine Mixer | Illinois |
| 52 | Potter Watkins | 44 | Lodger | Salesman | Illinois |
| 53 | Lodger Maud | None | F | — | — |
| 54 | Richard Sawyer | 73 | Lodger | Attendant | Illinois |
| 55 | William Zelakner | 45 | Lodger | Night Watchman | Illinois |
| 56 | Lester Chappe | 26 | Head | Chemical Worker | Illinois |
| 57 | Mildred Chappe | 23 | Wife | — | Illinois |
| 58 | Jacqueline Chappe | 2 | Daughter | — | Illinois |
| 59 | Edward Barry | 57 | Head | Proprietor | Illinois |
| 60 | Bertha Barry | 48 | Wife | — | Illinois |
| 61 | Helen Schleper | 20 | Maid | Waitress | Illinois |
| 62 | Arthur Mcelroy | 58 | Head | Restaurant | Missouri |
| 63 | Andrew Kendall | 55 | Lodger | Fireman | Ohio |
| 64 | Edwin Mchendrick | 52 | Lodger | Towman | Scotland |
| 65 | Edwin Greenland | 52 | Lodger | Laborer | Pennsylvania |
| 66 | Leo R. Burns | 44 | Head | Proprietor | Illinois |
| 67 | Margaret Burns | 43 | Wife | — | Illinois |
| 68 | Charles Burns | 16 | Son | — | Illinois |
| 69 | Robert Burns | 15 | Son | — | Illinois |
| 70 | David Burns | 10 | Son | — | Illinois |
| 71 | Mary Jane Burns | 6 | Daughter | — | Illinois |
| 72 | Frank Powers | 35 | Head | Box Maker | Illinois |
| 73 | Letitia Powers | 34 | Wife | — | Illinois |
| 74 | Francis Powers | 1 | Son | — | Illinois |
| 75 | Katherine Freiman | 71 | Head | — | Illinois |
| 76 | Minnie Yeash | 73 | Head | — | Illinois |
| 77 | Frank Pohlman | 38 | Head | Auto Mobile Mechanic | Illinois |
| 78 | Opal Pohlman | 33 | Wife | — | Illinois |
| 79 | Frances Pohlman | 15 | Daughter | — | Missouri |
| 80 | Ralph Pohlman | 12 | Son | — | Missouri |
Pedigree Summary
James
Gen 1 · 6 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)