HW
Harold Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Olmsted-County, Minnesota
Our Model Tree links this Harold Williams across the 1920, 1930 and 1940 US Censuses in Olmsted-County, Minnesota (XGBoost, ~Confirmed), with identified parents Drew & Orren — first a son (b.~1920), then head of a 5-person household.
Age 20
b. ~1920
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Olmsted-County, Minnesota |
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Additional Details | |
| Occupation | Printer |
| Industry | Print Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Printer |
| Township / Ward | Rochester |
| Est. Birth Year | ~1920 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Harold | Age | Birth yr |
|---|---|---|---|---|
| Eileen Williams | Daughter | — | 22 | ~1918 |
| Owen Williams | Head | — | 46 | ~1894 |
| Donald Williams | Son | — | 18 | ~1922 |
| Harold Williams | Son | — | 20 | ~1920 |
| Erna Williams | Spouse | — | 45 | ~1895 |
Census Appearances
1920
Olmsted, Minnesota
Son, age
Olmsted, Minnesota · implied b. ~1920 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Can Read | No |
| Can Write | No |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Olmsted, Minnesota
Son, age 10
Olmsted, Minnesota · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Olmsted-County, Minnesota
Son, age 20
Olmsted-County, Minnesota · implied b. ~1920 — 5 household members
| Surname | Williams |
| Given Name | Harold |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Rochester |
| 1935 Residence (County) | Olmsted |
| Occupation | Printer |
| Industry | Print Shop |
| Class of Worker | PW |
| Hours Worked | 48 |
| Income (1939) | 750 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 Harold Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Drew Williams (~0.92 confidence) and father Orren Williams (~0.92 confidence) and father Owen Williams (~0.92 confidence) and mother Erna Williams (~0.92 confidence) and mother Verna Williams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Drew Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Orren Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Father
Owen Williams
b. ~1894
Source father
● Household
· direct · ~0.92
Mother
Erna Williams
b. ~1895
Source mother
● Household
· direct · ~0.92
Mother
Verna Williams
b. ~1896
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Harold Williams
Son · 1940 · age 20 · b. ~1920 · Minnesota
★ You are viewing this record
Sibling
Donald Williams
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Eileen Williams
Sibling · 1940 · age 22
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 — Olmsted-County, Minnesota
Open full size
1940 US Federal Census — Olmsted-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01944-00321)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Kenneth D. Stock | 12 | Son | — | Minnesota |
| 42 | Alfred E. Stellwagen | 40 | Head | Truck Driver | Wisconsin |
| 43 | Josephine F. Stellwagen | 28 | Wife | — | Minnesota |
| 44 | Gerald W. Stellwagen | 10 | Son | — | Minnesota |
| 45 | Yvonne N. Stellwagen | 7 | Daughter | — | Minnesota |
| 46 | Darlene C. Stellwagen | 5 | Daughter | — | Minnesota |
| 47 | Robert L. Stellwagen | 3 | Son | — | Minnesota |
| 48 | Wayne A. Stellwagen | 2 | Son | — | Minnesota |
| 49 | Elizabeth M. Kilstrom | 40 | In-law | — | Minnesota |
| 50 | Robert D. Anderson | 25 | Head | Clerk | Minnesota |
| 51 | Mary L. Anderson | 25 | Wife | — | Minnesota |
| 52 | John D. Anderson | 5 | Son | — | Minnesota |
| 53 | Irene F. Peterson | 22 | Sister-in-law | Elevator Oper. | Minnesota |
| 54 | Albert C. King | 55 | Head | Plasterer | Minnesota |
| 55 | Bertha L. King | 48 | Wife | — | Germany |
| 56 | Lucille I. King | 20 | Daughter | House Maid | Minnesota |
| 57 | Marjorie J. King | 15 | Daughter | — | Minnesota |
| 58 | Charles L. Boyer | 26 | Head | Service Man | Minnesota |
| 59 | Margaret A. Boyer | 20 | Wife | — | Minnesota |
| 60 | Charles L. Boyer | 1 | Son | — | Minnesota |
| 61 | Gerald T. Tupper | 21 | Head | Musician | Minnesota |
| 62 | Marguerite M. Tupper | 22 | Wife | — | Wisconsin |
| 63 | Sue A. Tupper | 1 | Daughter | — | Minnesota |
| 64 | Rufus F. Brown | 50 | Head | Salesman | Minnesota |
| 65 | Geneva R. Brown | 46 | Wife | — | N. Dakota |
| 66 | Betty J. Brown | 16 | Daughter | — | Wisconsin |
| 67 | Jane A. Mclellan | 72 | Mother-in-law | — | Canada |
| 68 | Owen Williams | 46 | Head | Owner Manager | Iowa |
| 69 | Erna Williams | 45 | Wife | — | Wisconsin |
| 70 | Eileen Williams | 22 | Daughter | Maid | Minnesota |
| 71 | Harold Williams THIS PERSON | 20 | Son | Printer | Minnesota |
| 72 | Donald Williams | 18 | Son | Apprentice Printer | Minnesota |
| 73 | Elis G. Williams | 44 | Head | Collector | Minnesota |
| 74 | Alice B. Williams | 38 | Wife | — | Illinois |
| 75 | Sam Jr. Williams | 13 | Son | — | Minnesota |
| 76 | Beverly J. Williams | 9 | Daughter | — | Minnesota |
| 77 | Carrie Williams | 67 | Mother | — | Belgium |
| 78 | Gustav K. Schoenfelder | 71 | Head | — | Germany |
| 79 | Katherine E. Schoenfelder | 79 | Wife | — | Germany |
| 80 | Arthur Dewitz | 45 | Lodger | New Worker | Minnesota |
Pedigree Summary
Harold + 2 siblings
Gen 1 · 5 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)