HJ
Harvey Jones — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cook-County, Illinois
Our Model Tree links this Harvey Jones across the 1930 and 1940 US Censuses in Cook-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1926), then head of a 7-person household.
Age 14
b. ~1926
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Cook-County, Illinois |
| Surname | Jones |
| Given Name | Harvey Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Chicago City |
| Est. Birth Year | ~1926 |
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 Harvey | Age | Birth yr |
|---|---|---|---|---|
| Evelyn Jones | Daughter | — | 16 | ~1924 |
| Dorothy Jones | Daughter | — | 11 | ~1929 |
| Melvin Jones | Son | — | 7 | ~1933 |
| Harvey Jones | Head | — | 39 | ~1901 |
| Harvey Jones | Son | — | 14 | ~1926 |
| Lillian Jones | Spouse | — | 37 | ~1903 |
| Donald Jones | Son | — | 6 | ~1934 |
Census Appearances
1930
Cook, Illinois
Son, age 4
Cook, Illinois · implied b. ~1926 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Harvey, Jr. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Cook-County, Illinois
Son, age 14
Cook-County, Illinois · implied b. ~1926 — 7 household members
| Surname | Jones |
| Given Name | Harvey Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Chicago City |
| 1935 Residence (County) | Cook |
| Income (1939) | 0 |
| Highest Grade | 8 |
| 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 Harvey Jones across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Harvey Jones
Son · 1940 · age 14 · b. ~1926 · Illinois
★ You are viewing this record
Sibling
Evelyn Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melvin Jones
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Jones
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Donald Jones
Sibling · 1940 · age 6
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
39 people indexed on this census page (nara:1940:m-t0627-00990-00547)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Helen Stark | 22 | Daughter | — | Illinois |
| 42 | Roger Stark | 7 | Son | — | Illinois |
| 43 | Gerald Stark | 5 | Son | — | Illinois |
| 44 | Robert Stark | 2 | Son | — | Illinois |
| 45 | Hedwig Hayston | 29 | Daughter | Senior Clerk | Illinois |
| 46 | Richard Hayston | 11 | Son | — | Illinois |
| 47 | Sverre Smeland | 44 | Lodger | Sheet Metal Worker | Norway |
| 48 | Anton Melau | 76 | Head | — | Denmark |
| 49 | Gustave Probst | 62 | Head | — | New York |
| 50 | Anna Probst | 61 | Wife | — | Germany |
| 51 | Gladys Probst | 23 | Daughter | File Clerk | Illinois |
| 52 | Wesley Harris | 29 | Head | Shipping Clerk | Illinois |
| 53 | Florence Harris | 29 | Wife | — | Illinois |
| 54 | Barbara Harris | 7 | Daughter | — | Illinois |
| 55 | Carroll Harris | 2 | Daughter | — | Illinois |
| 56 | Jennie Lauden | 67 | Head | — | Scotland |
| 57 | George Lauden | 21 | Son | Bank Clerk | Illinois |
| 58 | Ole Lee | 44 | Head | Carpenter | Norway |
| 59 | Anna Lee | 41 | Wife | — | Norway |
| 60 | Fred Struckmeier | 31 | Head | Toolmaker | Illinois |
| 61 | Dora Struckmeier | 24 | Wife | — | Illinois |
| 63 | Gertrude Ronne | 46 | Head | Printer | Nebraska |
| 64 | Louise Illig | 69 | Mother | — | Germany |
| 65 | Andreas Plain | 52 | Head | Iron Worker | Norway |
| 66 | Anny Plain | 61 | Wife | — | Norway |
| 67 | Fred Gundersen | 40 | Head | Conductor | Illinois |
| 68 | Margarette Gundersen | 39 | Wife | — | Illinois |
| 69 | Fred Gundersen | 15 | Son | — | Illinois |
| 70 | Marilyn Gundersen | 6 | Daughter | — | Illinois |
| 71 | Doris Gundersen | 5 | Daughter | — | Illinois |
| 72 | Harvey Jones | 39 | Head | Auto Mechanic | Illinois |
| 73 | Lillian Jones | 37 | Wife | — | Illinois |
| 74 | Evelyn Jones | 16 | Daughter | — | Illinois |
| 75 | Harvey Jr Jones THIS PERSON | 14 | Son | — | Illinois |
| 76 | Dorothy Jones | 11 | Daughter | — | Illinois |
| 77 | Melvin Jones | 7 | Son | — | Illinois |
| 78 | Donald Jones | 6 | Son | — | Illinois |
| 79 | Robert Malquist | 55 | Head | Grocery Clerk | Illinois |
| 80 | Christine Malquist | 57 | Wife | — | Norway |
Related Census Records
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)