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Frank Foster — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Cook, Illinois
Our Model Tree links this Frank Foster across the 1930 and 1940 US Censuses in Cook, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 9-person household.
Age 9
b. ~1921
Male
Son
Born: Illinois
Single
1930 Census Record Details
| Census Year | 1930 |
| Location | Cook, Illinois |
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Additional Details | |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Cicero Town Part Of |
| Est. Birth Year | ~1921 |
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.
9 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Frank | Age | Birth yr |
|---|---|---|---|---|
| Robert Foster | Head | — | 49 | ~1881 |
| Arthur Foster | Son | — | 17 | ~1913 |
| Herbert Foster | Son | — | 15 | ~1915 |
| Donald Foster | Son | — | 13 | ~1917 |
| Lester Foster | Son | — | 21 | ~1909 |
| Albert Foster | Son | — | 1 | ~1929 |
| Frank Foster | Son | — | 9 | ~1921 |
| Gilbert Foster | Son | — | 11 | ~1919 |
| Sadie Foster | Spouse | — | 42 | ~1888 |
Census Appearances
1930
Cook, Illinois
Son, age 9
Cook, Illinois · implied b. ~1921 — 9 household members
| Surname | Foster |
| Given Name | Frank |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Indiana |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 19
Cook-County, Illinois · implied b. ~1921 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Foster |
| Given Name | Fred |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Harvey city |
| 1935 Residence (County) | Cook |
| Occupation | Helper on Truck |
| Industry | Wholesale Groceries |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 788 |
| 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 Frank Foster across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Frank Foster
Son · 1930 · age 9 · b. ~1921 · Illinois
★ You are viewing this record
Sibling
Donald Foster
Sibling · 1930 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Lester Foster
Sibling · 1930 · age 21
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Albert Foster
Sibling · 1930 · age 1
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Herbert Foster
Sibling · 1930 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gilbert Foster
Sibling · 1930 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Arthur Foster
Sibling · 1930 · age 17
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
1930 US Federal Census — Cook, Illinois
Open full size
1930 US Federal Census — Cook, Illinois
Page Contents
50 people indexed on this census page (ia:1930:illinoiscensus00reel498:1116)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Colignon | 77 | Head | — | New York |
| 2 | Mathilda Colignon | 64 | Wife | — | Sweden |
| 3 | William Colignon | 38 | Son | Auto Mechanic | Illinois |
| 4 | Arnold Colignon | 34 | Head | Auto Mechanic | Illinois |
| 5 | Martha Colignon | 34 | Wife | — | Ohio |
| 6 | Marie Colignon | 6 | Daughter | — | Illinois |
| 7 | Robert Foster | 49 | Head | Pressman | Illinois |
| 8 | Sadie Foster | 42 | Wife | — | Indiana |
| 9 | Lester Foster | 21 | Son | Assembler | Illinois |
| 10 | Arthur Foster | 17 | Son | Assembler | Illinois |
| 11 | Herbert Foster | 15 | Son | — | Illinois |
| 12 | Donald Foster | 13 | Son | — | Illinois |
| 13 | Gilbert Foster | 11 | Son | — | Illinois |
| 14 | Frank Foster THIS PERSON | 9 | Son | — | Illinois |
| 15 | Albert Foster | 1 | Son | — | Illinois |
| 16 | Christian Larsen | 65 | Head | Assembling | Denmark |
| 17 | Balborth Larsen | 62 | Wife | — | Norway |
| 18 | Christine Larsen | 30 | Daughter | — | Illinois |
| 19 | Arthur Larsen | 33 | Son | Yard Master | Illinois |
| 20 | Christian Jr. Larsen | 25 | Son | Tester | Illinois |
| 21 | Martha Larsen | 21 | Daughter | Office Clerk | Illinois |
| 22 | Louis Magnuson | 65 | Head | — | Sweden |
| 23 | Henry Magnuson | 31 | Son | Chauffeur | Illinois |
| 24 | Charles Magnuson | 33 | Son | Chief Clerk | Illinois |
| 25 | John Dykstra | 51 | Head | Inspector | Illinois |
| 26 | Gertrude Dykstra | 39 | Wife | — | Illinois |
| 27 | Richard Dykstra | 4 | Son | — | Illinois |
| 28 | Donald Dykstra | 2 | Son | — | Illinois |
| 29 | Frank Houdek | 41 | Head | Chauffeur | Illinois |
| 30 | Ruth Houdek | 44 | Wife | — | Ohio |
| 31 | Charles Houdek | 18 | Son | Apprentice | Ohio |
| 32 | Michael Vidich | 50 | Renter | Presser | Missouri |
| 33 | Charles Petersen | 41 | Head | Night Watchman | Illinois |
| 34 | Inge Petersen | 43 | Wife | — | Denmark |
| 35 | Martha M. Petersen | 2 | Daughter | — | Illinois |
| 36 | Arthur Stigeman | 42 | Head | Painter Decorator | Illinois |
| 37 | Blanche Stigeman | 39 | Wife | — | Illinois |
| 38 | Cleone Stigeman | 16 | Daughter | — | Illinois |
| 39 | Jacklin Stigeman | 5 | Daughter | — | Illinois |
| 40 | Stanley Stursa | 47 | Head | Bricklayer | Illinois |
| 41 | Bessie Stursa | 45 | Wife | — | Illinois |
| 42 | Beatrice Stursa | 10 | Daughter | Assembler | Illinois |
| 43 | Thomas Dempsey | 74 | Head | — | Germany |
| 44 | Louise Dempsey | 64 | Wife | — | England |
| 45 | Jackson Schindler | 21 | Head | Clerk | Illinois |
| 46 | Adeline Schindler | 25 | Wife | Housework | Illinois |
| 47 | Dolores Schindler | 5 | Daughter | — | Illinois |
| 48 | Herman Fletcher | 27 | Head | Inspector | Illinois |
| 49 | Alice Fletcher | 25 | Wife | — | Iowa |
| 50 | Earl Fletcher | 3 | Son | — | Illinois |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)