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William Olson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Wayne-County, Michigan
Our Model Tree links this William Olson across the 1930 and 1940 US Censuses in Wayne-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1927), then head of a 10-person household.
Age 13
b. ~1927
Male
Son
Born: Michigan
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wayne-County, Michigan |
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Plymouth Twp |
| 1935 Residence (County) | Wayne |
| Additional Details | |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Township / Ward | Plymouth Twp |
| Est. Birth Year | ~1927 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| Edward Olson | Son | — | 23 | ~1917 |
| Lelva Olson | Daughter | — | 9 | ~1931 |
| Doris Olson | Daughter | — | 17 | ~1923 |
| Olive Olson | Spouse | — | 44 | ~1896 |
| William Olson | Son | — | 13 | ~1927 |
| Gerald Olson | Son | — | 15 | ~1925 |
| Virginia Olson | Daughter | — | 11 | ~1929 |
| Howard Olson | Son | — | 20 | ~1920 |
| Ima Olson | Daughter | — | 4 | ~1936 |
| Conrad Olson | Head | — | 47 | ~1893 |
Census Appearances
1930
Wayne, Michigan
Son, age 2
Wayne, Michigan · implied b. ~1928 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Olsen |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Norway |
| Mother's Birthplace | Illinois |
| Occupation | none |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Wayne-County, Michigan
Son, age 13
Wayne-County, Michigan · implied b. ~1927 — 10 household members
| Surname | Olson |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Michigan |
| 1935 Residence (City) | Plymouth Twp |
| 1935 Residence (County) | Wayne |
| Highest Grade | No 6 |
| 1935 Residence | Same house |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
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 Olson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Olson
Son · 1940 · age 13 · b. ~1927 · Michigan
★ You are viewing this record
Sibling
Lelva Olson
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Gerald Olson
Sibling · 1940 · age 15
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Doris Olson
Sibling · 1940 · age 17
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Ima Olson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Virginia Olson
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Howard Olson
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edward Olson
Sibling · 1940 · age 23
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 — Wayne-County, Michigan
Open full size
1940 US Federal Census — Wayne-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01835-00428)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Donald E Blackford | 19 | Son | Road Work | Oklahoma |
| 2 | Bellodean Blackford | 16 | Daughter | — | Michigan |
| 3 | Troy Blackford | 9 | Son | — | Michigan |
| 4 | Bill Kahel | 53 | Head | Road Work | Michigan |
| 5 | Lillian W Kahel | 48 | Wife | — | Michigan |
| 6 | Charles H Bovee | 53 | Head | Green House | Michigan |
| 7 | Ima Bovee | 46 | Wife | — | Michigan |
| 8 | Beverly D Bovee | 12 | Daughter | — | Michigan |
| 9 | Norwall E Bovee | 23 | Son | — | Michigan |
| 10 | Robert H Holmes | 61 | Head | Park Maintenance | Michigan |
| 11 | Hilda Holmes | 55 | Wife | — | Michigan |
| 12 | Howard Holmes | 22 | Son | Construction | Michigan |
| 13 | Herald Sherey | 27 | Head | Machinist | Michigan |
| 14 | Wilhelmine Sherey | 25 | Wife | — | Michigan |
| 15 | Leonard A Wruck | 29 | Head | Bakery Salesman | Michigan |
| 16 | Marcella Wruck | 25 | Wife | — | Michigan |
| 17 | Huff L Wruck | 5 | Son | — | Michigan |
| 18 | Jack G Wruck | 2 | Son | — | Michigan |
| 19 | William Keegle | 50 | Head | Contractor | Michigan |
| 20 | Eleanor A Keegle | 43 | Wife | — | Michigan |
| 21 | Elmer W Keegle | 18 | Son | — | Michigan |
| 22 | Herman Reecke | 58 | Head | Carpenter | Germany |
| 23 | Margrette A Reecke | 36 | Wife | — | Ohio |
| 24 | Margoretta M Arinstock | 15 | Step daughter | — | Illinois |
| 25 | David M Baker | 33 | Head | Assembler | Michigan |
| 26 | Edith E Baker | 33 | Wife | — | Michigan |
| 27 | David W Baker | 10 | Son | — | Michigan |
| 28 | Doris M Baker | 5 | Daughter | — | Michigan |
| 29 | Claude Whittaberry | 60 | Head | Machinist | Indiana |
| 30 | Laura M Whittaberry | 59 | Wife | — | Kansas |
| 31 | Conrad Olson | 47 | Head | Park Labor | Michigan |
| 32 | Olive Olson | 44 | Wife | — | Ohio |
| 33 | Edward Olson | 23 | Son | Labor | Michigan |
| 34 | Howard Olson | 20 | Son | Mail Carrier | Michigan |
| 35 | Doris Olson | 17 | Daughter | — | Michigan |
| 36 | Gerald Olson | 15 | Son | Paper Boy | Michigan |
| 37 | William Olson THIS PERSON | 13 | Son | — | Michigan |
| 38 | Virginia Olson | 11 | Daughter | — | Michigan |
| 39 | Lelva Olson | 9 | Daughter | — | Michigan |
| 40 | Ima Olson | 4 | Daughter | — | Michigan |
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)