RP
Robert Pierce — 1940 US Census Record
Model Tree available1940 United States Federal Census · Oceana-County, Michigan
Our Model Tree links this Robert Pierce across the 1920, 1930 and 1940 US Censuses in Oceana-County, Michigan (XGBoost, ~Confirmed), with identified parents Herbert & Herbert — first a head (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Male
Head
Born: Michigan
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Oceana-County, Michigan |
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Oceana |
| Additional Details | |
| Occupation | Motor Tester |
| Industry | Motor Mfg. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
| Occupation | Motor Tester |
| Township / Ward | Hart Village |
| Est. Birth Year | ~1911 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Robert Pierce | Head | — | 29 | ~1911 |
| Gloria Pierce | Spouse | — | 24 | ~1916 |
| William Pierce | Son | — | 4 | ~1936 |
| Donald Pierce | Son | — | 1 | ~1939 |
Census Appearances
1920
Oceana, Michigan
Son, age 8
Oceana, Michigan · implied b. ~1912 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read | Yes |
| Speaks English | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1930
Oceana, Michigan
Son, age 19
Oceana, Michigan · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | Michigan |
| Father's Birthplace | Michigan |
| Mother's Birthplace | Michigan |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Michigan |
| Birth Country | United States |
| Birthplace (normalized) | michigan |
1940
Oceana-County, Michigan
Head, age 29
Oceana-County, Michigan · implied b. ~1911 — 4 household members
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Michigan |
| 1935 Residence (City) | R. |
| 1935 Residence (County) | Oceana |
| Occupation | Motor Tester |
| Industry | Motor Mfg. Company |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 700 |
| Highest Grade | No 8 |
| 1935 Residence | Michigan |
| 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 Robert Pierce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Pierce (~0.92 confidence) and father Herbert Pierce (~0.92 confidence) and mother Lillie Pierce (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Herbert Pierce
b. ~1878
Source father
● Household
· direct · ~0.92
Father
Herbert Pierce
b. ~1881
Source father
● Household
· direct · ~0.92
Mother
Lillie Pierce
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Pierce
Head · 1940 · age 29 · b. ~1911 · Michigan
★ 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 — Oceana-County, Michigan
Open full size
1940 US Federal Census — Oceana-County, Michigan
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01805-00180)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Leola Timmons | 4 | Granddaughter | — | Michigan |
| 2 | Deloris Timmons | 2 | Daughter | — | Michigan |
| 3 | Robert Burch | 16 | Nephew | Page | Michigan |
| 4 | Duncan Maclennan | 68 | Head | Light Labor | New York |
| 5 | Josephine Maclennan | 66 | Wife | — | Michigan |
| 6 | Clayton Miller | 60 | Head | Tyleman | Michigan |
| 7 | Libbie Puffer | 71 | Sister | — | Michigan |
| 8 | Maud Cushing | 67 | Head | Manager | Michigan |
| 9 | James Osborn | 46 | Boarder | Wood Turner | Michigan |
| 10 | Fred W. Jessup | 71 | Boarder | Laborer | Illinois |
| 11 | Abraham Rellinger | 59 | Boarder | Laborer | Michigan |
| 12 | John H. Mcdonald | 56 | Boarder | Salesman | Michigan |
| 13 | Ray Hillers | 25 | Boarder | Car Bumper | Wisconsin |
| 14 | Christian Bauman | 75 | Boarder | Laborer | New York |
| 15 | Clifford Hicks | 42 | Head | Blacksmith | Michigan |
| 16 | Vivian Hicks | 27 | Wife | — | Michigan |
| 17 | Lloyd Green | 26 | Head | Resawyer | Michigan |
| 18 | Dorothy Green | 25 | Wife | — | Michigan |
| 19 | Arlene Green | 2 | Daughter | — | Michigan |
| 20 | Robert Pierce THIS PERSON | 29 | Head | Motor Tester | Michigan |
| 21 | Gloria Pierce | 24 | Wife | — | Michigan |
| 22 | William Pierce | 4 | Son | — | Michigan |
| 23 | Donald Pierce | 1 | Son | — | Michigan |
| 24 | Robert Mclean | 56 | Head | — | Michigan |
| 25 | Doris Mclean | 46 | Wife | — | Michigan |
| 26 | Anna Laura Mclean | 17 | Daughter | — | Michigan |
| 27 | Evelyn Marie Mclean | 15 | Daughter | — | Michigan |
| 28 | Fred Newlan | 75 | Head | — | New York |
| 29 | Lena Newlan | 65 | Wife | — | Illinois |
| 30 | Marian Meade | 22 | Daughter | Stenographer | Illinois |
| 31 | Patricia Meade | 1 | Granddaughter | — | Michigan |
| 32 | Anna Johnson | 61 | Sister-in-law | Bean Picker | Illinois |
| 33 | Karl Anthonissen | 53 | Head | Bartender | Belgium |
| 34 | Inape Anthonissen | 52 | Wife | Sorter | Wisconsin |
| 35 | Karl Jr. Anthonissen | 20 | Son | Laborer | Michigan |
| 36 | Raymond Anthonissen | 11 | Son | — | Michigan |
| 37 | Martin Jorgenson | 68 | Boarder | — | Belgium |
| 38 | Hallie Lambrix | 53 | Head | Sorter | Michigan |
| 39 | Julia Lambrix | 23 | Daughter | Sorter | Michigan |
| 40 | Phillip Hurtibise | 23 | Head | Mechanic | Indiana |
Pedigree Summary
Robert
Gen 1 · 3 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)