JF
Joseph Foster — 1940 US Census Record
Model Tree available1940 United States Federal Census · Clinton-County, Iowa
Our Model Tree links this Joseph Foster across the 1920, 1930 and 1940 US Censuses in Clinton-County, Iowa (XGBoost, ~Confirmed), with identified parents R & Richard — first a son (b.~1919), then head of a 5-person household.
Age 21
b. ~1919
Male
Son
Born: Iowa
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Clinton-County, Iowa |
| Surname | Foster |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Additional Details | |
| Occupation | Janitor |
| Industry | Religious |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 180 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
| Occupation | Janitor |
| Township / Ward | Clinton City |
| Est. Birth Year | ~1919 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Joseph | Age | Birth yr |
|---|---|---|---|---|
| Caroline Foster | Daughter | — | 14 | ~1926 |
| Joseph Foster | Son | — | 21 | ~1919 |
| Anna Foster | Daughter | — | 10 | ~1930 |
| R Foster | Head | — | 65 | ~1875 |
| Caroline Foster | Spouse | — | 52 | ~1888 |
Census Appearances
1920
Clinton, Iowa
Son, age 1
Clinton, Iowa · implied b. ~1919 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Joseph |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1930
Clinton, Iowa
Son, age 11
Clinton, Iowa · implied b. ~1919 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Iowa |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Iowa |
| Can Read/Write | Yes |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
1940
Clinton-County, Iowa
Son, age 21
Clinton-County, Iowa · implied b. ~1919 — 5 household members
| Surname | Foster |
| Given Name | Joseph |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Iowa |
| 1935 Residence (City) | Clinton City |
| 1935 Residence (County) | Clinton |
| Occupation | Janitor |
| Industry | Religious |
| Class of Worker | PW |
| Hours Worked | 30 |
| Income (1939) | 180 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Iowa |
| Birth Country | United States |
| Birthplace (normalized) | iowa |
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 Joseph Foster across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father R Foster (~0.92 confidence) and father Richard Foster (~0.92 confidence) and father Richard Foster (~0.92 confidence) and mother Caroline Foster (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
R Foster
b. ~1875
Source father
● Household
· direct · ~0.92
Father
Richard Foster
b. ~1885
Source father
● Household
· direct · ~0.92
Father
Richard Foster
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Caroline Foster
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Joseph Foster
Son · 1940 · age 21 · b. ~1919 · Iowa
★ You are viewing this record
Sibling
Anna Foster
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Caroline Foster
Sibling · 1940 · age 14
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 — Clinton-County, Iowa
Open full size
1940 US Federal Census — Clinton-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01150-00840)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Gilbert Baker | 18 | Lodger | — | Iowa |
| 2 | William White | 54 | Head | Carpenter | England |
| 3 | Charlotte White | 41 | Wife | — | Iowa |
| 4 | John White | 19 | Son | Machinist | Iowa |
| 5 | Burton White | 17 | Son | — | Iowa |
| 6 | Evelyn White | 11 | Daughter | — | Iowa |
| 7 | Duane Miller | 26 | Head | Machinist | Wisconsin |
| 8 | Elsie Miller | 28 | Wife | — | Iowa |
| 9 | Carl Baker | 44 | Head | Truck Driver | Iowa |
| 10 | Frances Baker | 35 | Wife | — | Illinois |
| 11 | Lois Baker | 15 | Daughter | — | Iowa |
| 12 | Phyllis Baker | 12 | Daughter | — | Iowa |
| 13 | Henry Hinrichsen | 49 | Head | Shipping Clerk | Iowa |
| 14 | Minnie Hinrichsen | 57 | Wife | — | Iowa |
| 15 | Lucille Hinrichsen | 21 | Daughter | Bookkeeper | Iowa |
| 16 | Gene Hinrichsen | 17 | Son | — | Iowa |
| 17 | Viola Hinrichsen | 16 | Daughter | — | Iowa |
| 18 | John Glanz | 76 | Head | — | Germany |
| 19 | Hattie Glanz | 73 | Wife | — | Iowa |
| 20 | Hattie Rathbun | 68 | Head | — | Iowa |
| 21 | C. D. Baker | 70 | Head | — | Iowa |
| 22 | Ella Baker | 71 | Wife | — | Iowa |
| 23 | Thelma Baker | 31 | Daughter | Clerk | Iowa |
| 24 | Albert Baker | 25 | Son | Laborer | Iowa |
| 25 | Herman Sahel | 66 | Head | — | Germany |
| 26 | Frieda Sahel | 64 | Wife | — | Iowa |
| 27 | Fred Shoning | 64 | Head | — | Iowa |
| 28 | Hattie Shoning | 64 | Wife | — | Iowa |
| 29 | R. J. Foster | 65 | Head | Machinist | Iowa |
| 30 | Caroline Foster | 52 | Wife | — | Iowa |
| 31 | Joseph Foster THIS PERSON | 21 | Son | Janitor | Iowa |
| 32 | Caroline M. Foster | 14 | Daughter | — | Iowa |
| 33 | Anna M. Foster | 10 | Daughter | — | Iowa |
| 34 | George Jones | 51 | Head | Moulder | Iowa |
| 35 | Anna Jones | 55 | Wife | — | Iowa |
| 36 | Georgia Jones | 25 | Daughter | Clerk | Illinois |
| 37 | Anita Jones | 25 | Daughter | Seamstress | Illinois |
| 38 | Cornelia Jones | 20 | Daughter | Seamstress | Iowa |
| 39 | George Jr. Jones | 17 | Son | — | Iowa |
| 40 | Arthur Jones | 15 | Son | — | Iowa |
Pedigree Summary
Joseph + 2 siblings
Gen 1 · 4 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)