WP
William Pierce — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Genesee-County, Michigan
Our Model Tree links this William Pierce across the 1930 and 1940 US Censuses in Genesee-County, Michigan (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 8-person household.
Age 18
b. ~1922
Male
Son
Born: Canada-English
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Genesee-County, Michigan |
| Surname | Pierce |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Canada-English |
| 1935 Residence (City) | Unincorporated place Northgate Heights |
| 1935 Residence (County) | Genesee |
| Naturalization Status | First papers filed |
| Additional Details | |
| Occupation | Laborer |
| Industry | Butchering |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
| Occupation | Laborer |
| Township / Ward | Unincorporated Place Northgate Heights |
| Est. Birth Year | ~1922 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Dorothy Pierce | Daughter | — | 9 | ~1931 |
| Nina Pierce | Daughter | — | 11 | ~1929 |
| Edna-Mae Pierce | Daughter | — | 16 | ~1924 |
| Betty Pierce | Daughter | — | 14 | ~1926 |
| Arthur Pierce | Head | — | 45 | ~1895 |
| Roy Pierce | Son | — | 7 | ~1933 |
| William Pierce | Son | — | 18 | ~1922 |
| Mabel Pierce | Spouse | — | 43 | ~1897 |
Census Appearances
1930
Genesee, Michigan
Son, age 8
Genesee, Michigan · implied b. ~1922 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pearce |
| Given Name | William S |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Canada-English |
| Naturalization Status | Alien |
| Year of Immigration | 1924 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Mother Tongue | English |
| Birthplace (normalized) | canada-english |
1940
Genesee-County, Michigan
Son, age 18
Genesee-County, Michigan · implied b. ~1922 — 8 household members
| Surname | Pierce |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Canada-English |
| 1935 Residence (City) | Unincorporated place Northgate Heights |
| 1935 Residence (County) | Genesee |
| Naturalization Status | First papers filed |
| Occupation | Laborer |
| Industry | Butchering |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 3 |
| Highest Grade | Hs 2 |
| 1935 Residence | Same place |
| Birthplace (normalized) | canada-english |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
William Pierce
Son · 1940 · age 18 · b. ~1922 · Michigan
★ You are viewing this record
Sibling
Nina Pierce
Sibling · 1940 · age 11
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Dorothy Pierce
Sibling · 1940 · age 9
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roy Pierce
Sibling · 1940 · age 7
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Edna-Mae Pierce
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Betty Pierce
Sibling · 1940 · age 14
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 — Genesee-County, Michigan
Open full size
1940 US Federal Census — Genesee-County, Michigan
Page Contents
41 people indexed on this census page (nara:1940:m-t0627-01750-00624)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Rex Contd | 32 | Son | Laborer | Michigan |
| 42 | Iva Q Contd | 32 | Wife | Housewife | Michigan |
| 43 | Robert Contd | 5 | Son | — | Michigan |
| 44 | Gustave Spickman | 49 | Head | Laborer | Michigan |
| 45 | Charles Cross | 21 | Head | Laborer | Michigan |
| 46 | Eva Cross | 17 | Wife | Housewife | Michigan |
| 47 | Beverly Ann Cross | 1 | Daughter | — | Michigan |
| 48 | Richard Burns | 54 | Head | Laborer | Indiana |
| 49 | Anna Q Burns | 45 | Wife | Housewife | Michigan |
| 50 | Lillian Nickleson | 49 | Head | Housewife | Michigan |
| 51 | Julia Nickleson | 21 | Daughter | Maid | Michigan |
| 52 | Hans Nickleson | 19 | Son | Laborer | Michigan |
| 53 | Francis Nickleson | 17 | Son | Farm Hand | Michigan |
| 54 | Ruth Ann Nickleson | 11 | Daughter | — | Michigan |
| 55 | Henry Moench | 40 | Head | Mechanic | South Dakota |
| 56 | Elsie Moench | 33 | Wife | Housewife | Nebraska |
| 57 | Donald Moench | 17 | Son | Farm Hand | South Dakota |
| 58 | Dephane Moench | 14 | Daughter | — | South Dakota |
| 59 | Letha Moench | 12 | Daughter | — | Michigan |
| 60 | Norma J. Moench | 8 | Daughter | — | Michigan |
| 61 | Donald Lacy | 52 | Head | Laborer | Michigan |
| 62 | Xavier Violette | 61 | Head | Janitor | Maine |
| 63 | Emily Violette | 60 | Wife | Housewife | Wisconsin |
| 64 | Floyd Fox | 44 | Head | Grinder | Michigan |
| 65 | Lula Fox | 43 | Wife | Housewife | Ohio |
| 66 | Donna Fox | 12 | Daughter | — | Michigan |
| 67 | Arthur Pierce | 45 | Head | Heat Treat Man | England |
| 68 | Mabel Pierce | 43 | Wife | Housewife | England |
| 69 | William Pierce THIS PERSON | 18 | Son | Laborer | Canada-English |
| 70 | Edna-Mae Pierce | 16 | Daughter | Maid | Michigan |
| 71 | Betty L. Pierce | 14 | Daughter | Maid | Michigan |
| 72 | Nina M Pierce | 11 | Daughter | — | Michigan |
| 73 | Dorothy F. Pierce | 9 | Daughter | — | Michigan |
| 74 | Roy E. Pierce | 7 | Son | — | Michigan |
| 75 | Edwin Olson | 34 | Head | Lineman | North Dakota |
| 76 | Margaret Olson | 40 | Wife | Housewife | Ohio |
| 77 | George Kettler | 49 | Head | Bus Driver | Michigan |
| 78 | Alvina Kettler | 44 | Wife | Therapist | Washington |
| 79 | Shirley J. Corn | 4 | Daughter | — | Michigan |
| 80 | Edgar Ladd | 52 | Head | Trimmer | Nebraska |
| 81 | Leora Ladd | 41 | Wife | Housewife | 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)