DH
Donald Harris — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Jo-Daviess-County, Illinois
Our Model Tree links this Donald Harris across the 1930 and 1940 US Censuses in Jo-Daviess-County, Illinois (XGBoost, ~Confirmed) — first a son (b.~1921), then head of a 10-person household.
Age 19
b. ~1921
Male
Son
Born: Illinois
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Jo-Daviess-County, Illinois |
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Additional Details | |
| Hours Worked | 56 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
| Township / Ward | Galena City |
| Est. Birth Year | ~1921 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Donald | Age | Birth yr |
|---|---|---|---|---|
| Donald Harris | Son | — | 19 | ~1921 |
| Barbara Harris | Daughter | — | 2 | ~1938 |
| Clarys Harris | Son | — | 13 | ~1927 |
| Ardath Harris | Daughter | — | ~1940 | |
| William Harris | Head | — | 43 | ~1897 |
| Morris Harris | Son | — | 10 | ~1930 |
| Charlotte Harris | Daughter | — | 11 | ~1929 |
| Myrtle Harris | Spouse | — | 40 | ~1900 |
| Harold Harris | Son | — | 6 | ~1934 |
| Edith Harris | Daughter | — | 17 | ~1923 |
Census Appearances
1930
Jo Daviess, …
Son, age 9
Jo Daviess, Illinois · implied b. ~1921 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Harris |
| Given Name | Donald W. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Illinois |
| Father's Birthplace | Oklahoma |
| Mother's Birthplace | Illinois |
| Can Read/Write | Yes |
| Birth State | Illinois |
| Birth Country | United States |
| Birthplace (normalized) | illinois |
1940
Jo-Daviess-County, Illinois
Son, age 19
Jo-Daviess-County, Illinois · implied b. ~1921 — 10 household members
| Surname | Harris |
| Given Name | Donald |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Illinois |
| 1935 Residence (City) | Galena City |
| 1935 Residence (County) | Jo Daviess |
| Hours Worked | 56 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same house |
| 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 Donald Harris across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Donald Harris
Son · 1940 · age 19 · b. ~1921 · Illinois
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Sibling
Ardath Harris
Sibling · 1940 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Morris Harris
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Barbara Harris
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Harris
Sibling · 1940 · age 6
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clarys Harris
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charlotte Harris
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edith Harris
Sibling · 1940 · age 17
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 — Jo-Daviess-County, Illinois
Open full size
1940 US Federal Census — Jo-Daviess-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00817-00601)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Frank Maybanks | 65 | Brother | — | Illinois |
| 42 | Amelia Ackerman | 57 | Head | — | Illinois |
| 43 | Helen Ackerman | 32 | Daughter | Office Work | Illinois |
| 44 | Fred Fuchs | 74 | Head | — | Germany |
| 45 | Elizabeth Fuchs | 61 | Wife | Housework | Illinois |
| 46 | Clara A. Fuchs | 40 | Daughter | School Teacher | Illinois |
| 47 | Leona E. Sanders | 40 | Head | Telephone Operator | Illinois |
| 48 | William Harris | 43 | Head | Fireman | Oklahoma |
| 49 | Myrtle Harris | 40 | Wife | — | Illinois |
| 50 | Donald Harris THIS PERSON | 19 | Son | — | Illinois |
| 51 | Edith Harris | 17 | Daughter | — | Illinois |
| 52 | Clarys Harris | 13 | Son | — | Illinois |
| 53 | Charlotte Harris | 11 | Daughter | — | Illinois |
| 54 | Harold Harris | 6 | Son | — | Illinois |
| 55 | Barbara Harris | 2 | Daughter | — | Illinois |
| 56 | Ardath Harris | 0 | Daughter | — | Illinois |
| 57 | Morris Harris | 10 | Son | — | Illinois |
| 58 | Raymond Dubois | 45 | Head | Hostler | Wisconsin |
| 59 | Harry Stein | 48 | Head | Carpenter | Illinois |
| 60 | Nora Stein | 52 | Wife | — | Illinois |
| 61 | Ralph Stein | 16 | Son | — | Iowa |
| 62 | James Wickler | 28 | Head | Truck Driver | Illinois |
| 63 | Helen Wickler | 25 | Wife | — | Illinois |
| 64 | James Jr. Wickler | 5 | Son | — | Illinois |
| 65 | Doris Wickler | 2 | Daughter | — | Illinois |
| 66 | Robert Wickler | 0 | Son | — | Illinois |
| 67 | Clifford Sertle | 32 | Head | Dairyman | Illinois |
| 68 | Villet Sertle | 29 | Wife | — | Wisconsin |
| 69 | Charles Sertle | 7 | Son | — | Illinois |
| 70 | Russel Sertle | 4 | Son | — | Illinois |
| 71 | Alice Malone | 73 | Head | — | Wisconsin |
| 72 | Edward L. Malone | 24 | Son | Laborer Common | Illinois |
| 73 | Opal Malone | 22 | Daughter in law | — | Wisconsin |
| 74 | Marjorie Eldridge | 47 | Daughter | — | Illinois |
| 75 | Marie Vicaroli | 63 | Head | — | Switzerland |
| 76 | Eleanor Vicaroli | 24 | Daughter | Janitress | Illinois |
| 77 | Matt Vicaroli | 28 | Son | Garage Work | Illinois |
| 78 | Rosemary Vicaroli | 7 | Daughter | — | Illinois |
| 79 | Emma Virtue | 78 | Head | — | Illinois |
| 80 | Emma Maxwell | 86 | Head | — | Illinois |
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)