JP
John Prince — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this John Prince across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 5-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Prince |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Berwyn City |
| Est. Birth Year | ~1925 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Prince | Son | — | 15 | ~1925 |
| May Prince | Spouse | — | 42 | ~1898 |
| Marilyn Prince | Daughter | — | 9 | ~1931 |
| Daniel Prince | Son | — | 4 | ~1936 |
| Calvin Prince | Head | — | 48 | ~1892 |
Census Appearances
1930
Cook, Illinois
Son, age 2
Cook, Illinois · implied b. ~1928 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Prince |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | Black |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Arkansas |
| Mother's Birthplace | Iowa |
| Can Read/Write | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 15
Cook-County, Illinois · implied b. ~1925 — 5 household members
| Surname | Prince |
| Given Name | John |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Berwyn City |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 1 |
| 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 John Prince across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
John Prince
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Marilyn Prince
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Daniel Prince
Sibling · 1940 · age 4
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-t0627-00772-00127)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Daniel Cassell | 3 | Son | — | Illinois |
| 2 | Pauline Cassell | 60 | Mother | — | Germany |
| 3 | Hans Slender | 52 | Lodger | Painter | Germany |
| 4 | Isaac Sprague | 68 | Head | — | Illinois |
| 5 | Ray Elliott | 44 | Lodger | Auto Setter | Michigan |
| 6 | Albert Jensen | 32 | Lodger | Engineer | Illinois |
| 7 | Arthur Nickelbacher | 44 | Head | Salesman | Ohio |
| 8 | Florence Nickelbacher | 36 | Wife | — | Minnesota |
| 9 | Ralph Prescott | 35 | Head | Locomotive Fireman | Maine |
| 10 | Louise Prescott | 30 | Wife | — | Maine |
| 11 | Nancy Prescott | 3 | Daughter | — | Ohio |
| 12 | William Lotze | 36 | Head | Traveling Salesman | Germany |
| 13 | Julia Lotze | 40 | Wife | — | Hungary |
| 14 | June Rimmins | 23 | Lodger | Mechanical Engineer | Ohio |
| 15 | Donald Petter | 30 | Head | Bookkeeper | Illinois |
| 16 | Wilma Petter | 30 | Wife | — | New Hampshire |
| 17 | Calvin Prince | 48 | Head | Maintenance | Illinois |
| 18 | May Prince | 42 | Wife | — | Illinois |
| 19 | John Prince THIS PERSON | 15 | Son | — | Illinois |
| 20 | Marilyn Prince | 9 | Daughter | — | Illinois |
| 21 | Daniel Prince | 4 | Son | — | Illinois |
| 22 | Anthony Holub | 46 | Head | Lawyer | Michigan |
| 23 | Frances Holub | 42 | Wife | — | Illinois |
| 24 | Alvin Holub | 20 | Son | — | Illinois |
| 25 | Arlene Holub | 12 | Daughter | — | Illinois |
| 26 | Pearl Cunningham | 50 | Head | Janitor | Missouri |
| 27 | Leila Cunningham | 46 | Wife | — | Missouri |
| 28 | Helen Novotny | 46 | Head | — | Pennsylvania |
| 29 | John F. Novotny | 24 | Son | Clerk Janitor | Illinois |
| 30 | Thomas Novotny | 22 | Son | Sales Clerk | Illinois |
| 31 | Richard Novotny | 20 | Son | Clerk | Illinois |
| 32 | Helen Novotny | 17 | Daughter | — | Illinois |
| 33 | Joseph Novotny | 16 | Son | — | Minnesota |
| 34 | Genevieve Novotny | 12 | Daughter | — | Illinois |
| 35 | — | None | — | — | — |
| 36 | Head Heim-Wich | None | M | Apartment Building | Pa |
| 37 | Theresa Heim-Wich | 60 | Wife | — | Hungary |
| 38 | Elizabeth Heim-Wich | 18 | Daughter | — | Pennsylvania |
| 39 | James B. Durham | 39 | Head | Serviceman | Canada |
| 40 | Elsie H. Durham | 37 | Wife | — | Hungary |
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)