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William Hamilton — 1940 US Census Record
Model Tree available1940 United States Federal Census · Montgomery-County, Illinois
Our Model Tree links this William Hamilton across the 1920, 1930 and 1940 US Censuses in Montgomery-County, Illinois (XGBoost, ~Confirmed), with identified parents Alexander & Jessie — first a head (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Male
Head
Born: Scotland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Montgomery-County, Illinois |
| Surname | Hamilton |
| Given Name | William P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hillsboro town |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Additional Details | |
| Occupation | Florist laborer |
| Industry | Greenhouse |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 750 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
| Occupation | Florist Laborer |
| Township / Ward | Hillsboro Town |
| Est. Birth Year | ~1909 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Alma Hamilton | Daughter | — | 1 | ~1939 |
| William Hamilton | Head | — | 31 | ~1909 |
| Edith Hamilton | Spouse | — | 22 | ~1918 |
Census Appearances
1920
Montgomery, Illinois
Son, age 12
Montgomery, Illinois · implied b. ~1908 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Scotland |
| Year of Immigration | 1912 |
| Naturalization Status | First papers filed |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Newsboy |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1930
Montgomery, Illinois
Son, age 22
Montgomery, Illinois · implied b. ~1908 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hamilton |
| Given Name | William P |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Scotland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1912 |
| Father's Birthplace | Scotland |
| Mother's Birthplace | Scotland |
| Occupation | Florist |
| Industry | Green House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
1940
Montgomery-County, Illinois
Head, age 31
Montgomery-County, Illinois · implied b. ~1909 — 3 household members
| Surname | Hamilton |
| Given Name | William P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Married |
| Birthplace | Scotland |
| 1935 Residence (City) | Hillsboro town |
| 1935 Residence (County) | Montgomery |
| Naturalization Status | Naturalized |
| Occupation | Florist laborer |
| Industry | Greenhouse |
| Class of Worker | PW |
| Hours Worked | 54 |
| Income (1939) | 750 |
| Highest Grade | H-2 |
| 1935 Residence | Same place |
| Birth Country | Scotland |
| Birthplace (normalized) | scotland |
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 Hamilton across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Alexander Hamilton (~0.92 confidence) and mother Jessie Hamilton (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Alexander Hamilton
b. ~1882
Source father
● Household
· direct · ~0.92
Mother
Jessie Hamilton
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Hamilton
Head · 1940 · age 31 · b. ~1909 · Illinois
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Montgomery-County, Illinois
Open full size
1940 US Federal Census — Montgomery-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00860-00362)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Edward J. Jr. Berry | 21 | Son | Groundman | Illinois |
| 2 | Edward Berry | 49 | Head | Laborer | Illinois |
| 3 | Kate L. Berry | 52 | Wife | — | Illinois |
| 4 | Lewis A. Mansfield | 49 | Brother-in-law | Brick Layer | Illinois |
| 5 | James H. Pierson | 74 | Head | — | Illinois |
| 6 | Delila P. L. Pierson | 70 | Wife | — | Illinois |
| 7 | Ebey B. Young | 49 | Head | Secretary And Treasurer | Illinois |
| 8 | Agnes L. Young | 45 | Wife | — | Illinois |
| 9 | Hester A. Young | 24 | Daughter | Teacher | Illinois |
| 10 | Luna G. Young | 12 | Daughter | — | Illinois |
| 11 | Shelby L. Young | 18 | Son | — | Illinois |
| 12 | Stanley D. Young | 16 | Son | — | Illinois |
| 13 | William P. Hamilton THIS PERSON | 31 | Head | Florist Laborer | Scotland |
| 14 | Edith E. Hamilton | 22 | Wife | — | Illinois |
| 15 | Alma J. Hamilton | 1 | Daughter | — | Illinois |
| 16 | Jesse P. Armentrout | 65 | Head | — | Illinois |
| 17 | Ida E. Armentrout | 62 | Wife | — | Illinois |
| 18 | Robert C. Rush | 32 | Head | Assistant Superintendent | Illinois |
| 19 | Margaret Rush | 27 | Wife | — | Illinois |
| 20 | Shirley Ann Rush | 7 | Daughter | — | Illinois |
| 21 | Robert C. Jr. Rush | 2 | Son | — | Illinois |
| 22 | Roscoe H. Luck | 52 | Head | Laborer | Illinois |
| 23 | Sophia E. Luck | 49 | Wife | — | Illinois |
| 24 | Ethel M. Luck | 15 | Daughter | — | Illinois |
| 25 | Mary A. Luck | 7 | Daughter | — | Illinois |
| 26 | Dorothy E. Luck | 2 | Daughter | — | Illinois |
| 27 | Antonette Brednasik | 55 | Head | — | Poland |
| 28 | Frank Brednasik | 24 | Son | Carpenter | Illinois |
| 29 | John T. Connerly | 26 | Head | Salesman | Illinois |
| 30 | Mildred L. Connerly | 24 | Wife | — | Illinois |
| 31 | Doris J. Connerly | 1 | Daughter | — | Illinois |
| 32 | Ada G. Qualls | 62 | Head | Seamstress | Illinois |
| 33 | Joel R. Qualls | 21 | Son | — | Illinois |
| 34 | Edward T. Glenn | 37 | Head | Laborer | Illinois |
| 35 | Alma R. Glenn | 33 | Wife | — | Illinois |
| 36 | V. Joyce Glenn | 4 | Daughter | — | Illinois |
| 37 | George J. Huber | 63 | Head | Carpenter | Illinois |
| 38 | Mary A. Huber | 63 | Wife | — | Illinois |
| 39 | Perry J. Huber | 25 | Son | — | Illinois |
| 40 | Ray P. Redfern | 56 | Head | Teacher | Illinois |
Related Census Records
Pedigree Summary
William
Gen 1 · 2 parents
~0.92
Max depth 4 (1900–1950 window)
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)