WP
William Prince — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Prince across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1924), then head of a 9-person household.
Age 16
b. ~1924
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Prince |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Phoenix Village |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Phoenix Village |
| Est. Birth Year | ~1924 |
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 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Thelma Prince | Daughter | — | 21 | ~1919 |
| Charlotte Prince | Daughter | — | 5 | ~1935 |
| John Prince | Son | — | 22 | ~1918 |
| Howard Prince | Son | — | 18 | ~1922 |
| E Prince | Head | — | 54 | ~1886 |
| Benjamin Prince | Son | — | 13 | ~1927 |
| William Prince | Son | — | 16 | ~1924 |
| Shirley Prince | Daughter | — | 11 | ~1929 |
| Pearl Prince | Spouse | — | 47 | ~1893 |
Census Appearances
1930
Cook, Illinois
Son, age 5
Cook, Illinois · implied b. ~1925 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prince |
| Given Name | William Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 16
Cook-County, Illinois · implied b. ~1924 — 9 household members
| Surname | Prince |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Phoenix Village |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | H 2 |
| 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 William Prince across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Prince
Son · 1940 · age 16 · b. ~1924 · Illinois
★ You are viewing this record
Sibling
Howard Prince
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Prince
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Prince
Sibling · 1940 · age 5
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Prince
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Benjamin Prince
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thelma Prince
Sibling · 1940 · age 21
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 — Cook-County, Illinois
Open full size
1940 US Federal Census — Cook-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00789-00521)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Clara Ring | 55 | Head | Tavern | Illinois |
| 2 | Frank Ring | 35 | Son | Salesman | Illinois |
| 3 | Valeria Ring | 33 | Wife | — | Illinois |
| 4 | Gordon Ring | 2 | Son | — | Illinois |
| 5 | David Ring | 0 | Son | — | Illinois |
| 6 | Edward Ring | 36 | Head | Census Taker | Illinois |
| 7 | Victoria Ring | 34 | Wife | — | Illinois |
| 8 | William Ring | 14 | Son | — | Illinois |
| 9 | Edward Ring | 12 | Son | — | Illinois |
| 10 | Donald Ring | 7 | Son | — | Illinois |
| 11 | Charles Mueller | 27 | Head | Apprentice | Illinois |
| 12 | Alice Mueller | 27 | Wife | — | Illinois |
| 13 | Lois Ann Mueller | 1 | Daughter | — | Illinois |
| 14 | Raymond Wolf | 36 | Head | Lineman | Kentucky |
| 15 | Benjamin Wolf | 19 | Son | New Worker | Illinois |
| 16 | Lula Wolf | 53 | Mother | — | Kentucky |
| 17 | E. M. Prince | 54 | Head | Clerk | Tennessee |
| 18 | Pearl Prince | 47 | Wife | — | Tennessee |
| 19 | John Prince | 22 | Son | Enameler | Tennessee |
| 20 | Thelma Prince | 21 | Daughter | New Worker | Tennessee |
| 21 | William Prince THIS PERSON | 16 | Son | — | Illinois |
| 22 | Benjamin Prince | 13 | Son | — | Illinois |
| 23 | Shirley Prince | 11 | Daughter | — | Illinois |
| 24 | Charlotte Prince | 5 | Daughter | — | Illinois |
| 25 | Howard Prince | 18 | Son | — | Tennessee |
| 26 | William Schuler | 28 | Head | Helper | Illinois |
| 27 | Geraldine Schuler | 21 | Wife | — | Michigan |
| 28 | Clara Schuler | 50 | Mother | — | Pennsylvania |
| 29 | W. J. Sandvos | 42 | Head | Inspector | Illinois |
| 30 | Laura Sandvos | 43 | Wife | — | Illinois |
| 31 | William Sandvos | 7 | Son | — | Illinois |
| 32 | Charlotte Sandvos | 3 | Daughter | — | Illinois |
| 33 | Vincent Marek | 54 | Head | Laborer | Poland |
| 34 | Otilia Marek | 44 | Wife | — | Poland |
| 35 | Adeline Marek | 18 | Daughter | — | Illinois |
| 36 | Chester Marek | 16 | Son | — | Illinois |
| 37 | Gabriel Marek | 13 | Son | — | Illinois |
| 38 | Vincent Jr. Marek | 12 | Son | — | Illinois |
| 39 | Marian Marek | 9 | Daughter | — | Illinois |
| 40 | Clementine Marek | 7 | Daughter | — | 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)