JH
James Higgins — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mchenry-County, Illinois
Our Model Tree links this James Higgins across the 1930 and 1940 US Censuses in Mchenry-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1925), then head of a 9-person household.
Age 15
b. ~1925
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Mchenry-County, Illinois |
| Surname | Higgins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marengo |
| 1935 Residence (County) | McHenry |
| Additional Details | |
| Highest Grade | Hs 1 |
| 1935 Residence | Same place |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Marengo |
| 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.
9 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Mary Higgins | Daughter | — | 20 | ~1920 |
| Shirley Higgins | Daughter | — | 11 | ~1929 |
| Helen Higgins | Daughter | — | 18 | ~1922 |
| James Higgins | Head | — | 50 | ~1890 |
| Robert Higgins | Son | — | 8 | ~1932 |
| Gerald Higgins | Son | — | 4 | ~1936 |
| James Higgins | Son | — | 15 | ~1925 |
| Jean Higgins | Son | — | 15 | ~1925 |
| Luretta Higgins | Spouse | — | 44 | ~1896 |
Census Appearances
1930
Mchenry, Illinois
Son, age 5
Mchenry, Illinois · implied b. ~1925 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Higgins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Illinois |
| Mother's Birthplace | Illinois |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Mchenry-County, Illinois
Son, age 15
Mchenry-County, Illinois · implied b. ~1925 — 9 household members
| Surname | Higgins |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Marengo |
| 1935 Residence (County) | McHenry |
| 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 James Higgins across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Higgins
Son · 1940 · age 15 · b. ~1925 · Illinois
★ You are viewing this record
Sibling
Robert Higgins
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Higgins
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Shirley Higgins
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Higgins
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Higgins
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Jean Higgins
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 — Mchenry-County, Illinois
Open full size
1940 US Federal Census — Mchenry-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00840-00976)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Lester Schumacker | 36 | Son | Farming | Illinois |
| 42 | Idola Schumacker | 34 | Daughter in law | — | Illinois |
| 43 | Maxine Schumacker | 12 | Granddaughter | — | Illinois |
| 44 | Gerald Schumacker | 8 | Grandson | — | Illinois |
| 45 | Virgil Schumacker | 3 | Grandson | — | Illinois |
| 46 | Henry Throssen | 36 | Head | Farming | Switzerland |
| 47 | Clara Throssen | 34 | Wife | — | Illinois |
| 48 | Dale Throssen | 7 | Son | — | Illinois |
| 49 | Arnold Throssen | 3 | Son | — | Illinois |
| 50 | Chase Boyer | 16 | Laborer | Farming | Illinois |
| 51 | James E. Higgins | 50 | Head | Farming | Illinois |
| 52 | Luretta Higgins | 44 | Wife | — | Illinois |
| 53 | Mary Eileen Higgins | 20 | Daughter | Student Nurse | Illinois |
| 54 | Helen Higgins | 18 | Daughter | Housework | Illinois |
| 55 | James Higgins THIS PERSON | 15 | Son | — | Illinois |
| 56 | Jean Higgins | 15 | Son | — | Illinois |
| 57 | Shirley Higgins | 11 | Daughter | — | Illinois |
| 58 | Robert Higgins | 8 | Son | — | Illinois |
| 59 | Gerald Higgins | 4 | Son | — | Illinois |
| 60 | Cornelius Murphy | 41 | Head | Farming | Illinois |
| 61 | Agnes Murphy | 38 | Wife | — | Illinois |
| 62 | Agnes Murphy | 13 | Daughter | — | Illinois |
| 63 | Mary Murphy | 10 | Daughter | — | Illinois |
| 64 | Cornelius Jr. Murphy | 9 | Son | — | Illinois |
| 65 | Dorothy Murphy | 8 | Daughter | — | Illinois |
| 66 | Charles Murphy | 4 | Son | — | Illinois |
| 67 | Henry Davis | 42 | Head | Farming | Indiana |
| 68 | Flayda Davis | 40 | Wife | — | Illinois |
| 69 | Arleigh Davis | 21 | Son | Farming | Illinois |
| 70 | Henry Jr. Davis | 18 | Son | Farming | Illinois |
| 71 | Marshall Davis | 9 | Son | — | Illinois |
| 72 | Harry Davis | 5 | Son | — | Illinois |
| 73 | Raymond Kersman | 36 | Head | Farming | Illinois |
| 74 | Joseph Kersman | 41 | Brother | Farming | Illinois |
| 75 | Clark Fleming | 47 | Head | Farming | Illinois |
| 76 | Ellen Fleming | 45 | Wife | — | Illinois |
| 77 | James Fleming | 21 | Son | Farming | Illinois |
| 78 | Alice Fleming | 16 | Daughter | — | Illinois |
| 79 | Ila Mae Fleming | 10 | Daughter | — | Illinois |
| 80 | Harold Fleming | 23 | Head | General Trucking | 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)