WP
William Pierce — 1940 US Census Record
Model Tree available1940 United States Federal Census · Waseca-County, Minnesota
Our Model Tree links this William Pierce across the 1920, 1930 and 1940 US Censuses in Waseca-County, Minnesota (XGBoost, ~Confirmed), with identified parents Albertus & Alvin — first a son (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Waseca-County, Minnesota |
| Surname | Pierce |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Byron Twp |
| 1935 Residence (County) | Itasca |
| Additional Details | |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Laborer |
| Township / Ward | Byron Twp |
| Est. Birth Year | ~1917 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Albertus Pierce | Head | — | 77 | ~1863 |
| George Osmon | Other | — | 28 | ~1912 |
| William Pierce | Son | — | 23 | ~1917 |
| Martha Pierce | Spouse | — | 63 | ~1877 |
Census Appearances
1920
Waseca, Minnesota
Son, age 2
Waseca, Minnesota · implied b. ~1918 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | William H |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Occupation | none |
| Mother Tongue | Norwegian |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Waseca, Minnesota
Son, age 13
Waseca, Minnesota · implied b. ~1917 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | William M |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Norway |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Waseca-County, Minnesota
Son, age 23
Waseca-County, Minnesota · implied b. ~1917 — 4 household members
| Surname | Pierce |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Byron Twp |
| 1935 Residence (County) | Itasca |
| Occupation | Laborer |
| Industry | Farm |
| Class of Worker | NP |
| Hours Worked | 72 |
| Income (1939) | 0 |
| Highest Grade | Hs 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 William Pierce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Albertus Pierce (~0.92 confidence) and father Alvin Pierce (~0.92 confidence) and father Albert Pierce (~0.92 confidence) and mother Martha Pierce (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Albertus Pierce
b. ~1863
Source father
● Household
· direct · ~0.92
Father
Alvin Pierce
b. ~1869
Source father
● Household
· direct · ~0.92
Father
Albert Pierce
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Martha Pierce
b. ~1877
Source mother
● Household
· direct · ~0.92
This person
Anchor record
William Pierce
Son · 1940 · age 23 · b. ~1917 · Minnesota
★ 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 — Waseca-County, Minnesota
Open full size
1940 US Federal Census — Waseca-County, Minnesota
Page Contents
38 people indexed on this census page (nara:1940:m-t0627-01966-00466)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cyrus H. O. Mouth | 54 | Head | Farmer | Iowa |
| 2 | Ollie Mouth | 54 | Wife | — | Iowa |
| 3 | Rex Mouth | 35 | Son | Farmhand | Iowa |
| 4 | Glen Mouth | 20 | Son | Laborer | Iowa |
| 5 | Leah Mouth | 25 | Daughter-in-law | — | Minnesota |
| 6 | Jean Mouth | 17 | Daughter | — | Minnesota |
| 7 | Warren Mouth | 3 | Grandson | — | Minnesota |
| 8 | Gail Mouth | 1 | Granddaughter | — | Minnesota |
| 9 | Wallace Partridge | 21 | Head | Farmer | Minnesota |
| 10 | Bertha Partridge | 70 | Wife | — | Minnesota |
| 11 | Mary Partridge | 45 | Sister | — | Minnesota |
| 12 | Leo P. Eckert | 30 | Head | Farmer | Minnesota |
| 13 | Melitha Eckert | 26 | Wife | — | Minnesota |
| 14 | Donald Eckert | 6 | Son | — | Minnesota |
| 15 | Wayne Eckert | 3 | Son | — | Minnesota |
| 16 | Marilyn Eckert | 1 | Daughter | — | Minnesota |
| 17 | Anna Defendel | 72 | Mother-in-law | — | Germany |
| 18 | Raymond Chicos | 22 | Head | Farmer | Minnesota |
| 19 | Veronica Chicos | 23 | Wife | — | Minnesota |
| 20 | William Droscher | 56 | Head | Farmer | Germany |
| 21 | Minnie Droscher | 57 | Wife | — | Iowa |
| 22 | Raymond Droscher | 27 | Son | Laborer | Iowa |
| 23 | Hazel Droscher | 24 | Daughter-in-law | — | Minnesota |
| 24 | Dorothy Droscher | 16 | Daughter | — | Minnesota |
| 25 | Albertus D. Pierce | 77 | Head | Farmer | Minnesota |
| 26 | Martha N. Pierce | 63 | Wife | — | Norway |
| 27 | William Pierce THIS PERSON | 23 | Son | Laborer | Minnesota |
| 28 | George Osmon | 28 | Hired Hand | Laborer | Iowa |
| 29 | Lloyd Lehning | 30 | Head | Farmer | Minnesota |
| 30 | Beryl Lehning | 28 | Wife | — | Minnesota |
| 31 | Daniel H. O. Duckworth | 46 | Head | Farmer | Minnesota |
| 32 | Amelia Duckworth | 38 | Wife | — | Minnesota |
| 33 | Bernard Duckworth | 17 | Son | Laborer | Minnesota |
| 34 | Dorothy Duckworth | 14 | Daughter | — | Minnesota |
| 35 | Theresa Duckworth | 12 | Daughter | — | Minnesota |
| 36 | Leone Duckworth | 7 | Daughter | — | Minnesota |
| 37 | Lois Duckworth | 2 | Daughter | — | Minnesota |
| 38 | Louis Holmhus | 85 | Father-in-law | — | Germany |
Pedigree Summary
William
Gen 1 · 4 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)