WM
William Morrison — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this William Morrison across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1923), then head of a 7-person household.
Age 17
b. ~1923
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1923 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Mary Morrison | Daughter | — | 16 | ~1924 |
| Rose Morrison | Daughter | — | 13 | ~1927 |
| Eileen Morrison | Daughter | — | 15 | ~1925 |
| William Morrison | Head | — | 57 | ~1883 |
| William Morrison | Son | — | 17 | ~1923 |
| Robert Morrison | Son | — | 11 | ~1929 |
| Mary Morrison | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Cook, Illinois
Son, age 7
Cook, Illinois · implied b. ~1923 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | South Dakota |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 17
Cook-County, Illinois · implied b. ~1923 — 7 household members
| Surname | Morrison |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Highest Grade | Hs 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 Morrison across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Morrison
Son · 1940 · age 17 · b. ~1923 · Illinois
★ You are viewing this record
Sibling
Mary Morrison
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Robert Morrison
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Rose Morrison
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Morrison
Sibling · 1940 · age 15
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-t0627-00998-00404)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Eileen Lorenz | 4 | Daughter | — | Illinois |
| 2 | Stanley Jr. Lorenz | 2 | Son | — | Illinois |
| 3 | Lucy Albin | 53 | Lodger | — | Poland |
| 4 | Walter S. Shurman | 42 | Head | Meter Reader | Illinois |
| 5 | Ellen Shurman | 34 | Wife | — | Illinois |
| 6 | Peter Nelson | 45 | Head | Machinist | Illinois |
| 7 | Nicholas Nelson | 67 | Father | — | Sweden |
| 8 | Agna Nelson | 69 | Mother | — | Sweden |
| 9 | Christine Nelson | 28 | Sister | Glove Lacer | Sweden |
| 10 | Andrew Nelson | 42 | Brother | Inspector | Sweden |
| 11 | Andrew Nelson | 11 | Nephew | — | Michigan |
| 12 | Joseph Turchany | 28 | Head | Sprayer | Illinois |
| 13 | Helen Turchany | 28 | Wife | Saleslady | Illinois |
| 14 | Anton Turchany | 2 | Son | — | Illinois |
| 15 | Joseph J. Turchany | 1 | Son | — | Illinois |
| 16 | Joseph Sikorski | 49 | Head | Blacksmith | Germany |
| 17 | Clara Sikorski | 49 | Wife | — | Germany |
| 18 | Charles Sikorski | 20 | Son | — | Germany |
| 19 | Walter Barasch | 28 | Head | Maintenance | Illinois |
| 20 | Eloise Barasch | 30 | Wife | Inspector | Illinois |
| 21 | Fred E. Lippmann | 32 | Head | Repairman | Germany |
| 22 | Evelyn Lippmann | 28 | Wife | — | Illinois |
| 23 | Nancy Lippmann | 7 | Daughter | — | Illinois |
| 24 | Frank Stank | 32 | Head | Assembler | Germany |
| 25 | Lottie Stank | 29 | Wife | — | Illinois |
| 26 | Frank Jr. Stank | 5 | Son | — | Illinois |
| 27 | Kenneth Stank | 0 | Son | — | Illinois |
| 28 | Ludwick Stank | 27 | Brother | Steel Shearer | Illinois |
| 29 | Nick Sandor | 32 | Head | Meat Distr. | Austria-Hungary |
| 30 | Beatrice Sandor | 31 | Wife | Steno | Illinois |
| 31 | Ernest E. Taylor | 41 | Head | Train Secty. | Kentucky |
| 32 | Ida Taylor | 41 | Wife | — | Illinois |
| 33 | Ronald Taylor | 12 | Son | — | Illinois |
| 34 | William Morrison | 57 | Head | Pressman | S. Dakota |
| 35 | Mary Morrison | 43 | Wife | — | Illinois |
| 36 | William Morrison THIS PERSON | 17 | Son | — | Illinois |
| 37 | Mary Morrison | 16 | Daughter | — | Illinois |
| 38 | Eileen Morrison | 15 | Daughter | — | Illinois |
| 39 | Rose Marie Morrison | 13 | Daughter | — | Illinois |
| 40 | Robert Morrison | 11 | Son | — | 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)