RP
Robert Pierce — 1940 US Census Record
Model Tree available1940 United States Federal Census · Wadena-County, Minnesota
Our Model Tree links this Robert Pierce across the 1920, 1930 and 1940 US Censuses in Wadena-County, Minnesota (XGBoost, ~Confirmed), with identified parents Charles & Frank — first a son (b.~1916), then head of a 10-person household.
Age 24
b. ~1916
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Wadena-County, Minnesota |
| Surname | Pierce |
| Given Name | Robert A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Wadena City |
| 1935 Residence (County) | Wadena |
| Additional Details | |
| Highest Grade | C 5 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Wadena City |
| Est. Birth Year | ~1916 |
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 Robert | Age | Birth yr |
|---|---|---|---|---|
| Charles Pierce | Head | — | 52 | ~1888 |
| Mary Pierce | Daughter | — | 26 | ~1914 |
| Margaret Sondregard | Other | — | 21 | ~1919 |
| Florence Williams | Other | — | 25 | ~1915 |
| Alhilda Pierce | Spouse | — | 41 | ~1899 |
| Virginia Pierce | Daughter | — | 10 | ~1930 |
| Charles Pierce | Son | — | 14 | ~1926 |
| Saml Pierce | Son | — | 22 | ~1918 |
| Delia Leiser | Other | — | 18 | ~1922 |
| Robert Pierce | Son | — | 24 | ~1916 |
Census Appearances
1920
Wadena, Minnesota
Son, age 4
Wadena, Minnesota · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Wadena, Minnesota
Son, age 14
Wadena, Minnesota · implied b. ~1916 — 20 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pierce |
| Given Name | Robert |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Iowa |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Wadena-County, Minnesota
Son, age 24
Wadena-County, Minnesota · implied b. ~1916 — 10 household members
| Surname | Pierce |
| Given Name | Robert A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 24 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Wadena City |
| 1935 Residence (County) | Wadena |
| Highest Grade | C 5 |
| 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 Robert Pierce across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Charles Pierce (~0.92 confidence) and father Frank Hurst (~0.92 confidence) and father Charles Pierce (~0.92 confidence) and mother Sylvia Pierce (~0.92 confidence) and mother Alhilda Pierce (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Charles Pierce
b. ~1866
Source father
● Household
· direct · ~0.92
Father
Frank Hurst
b. ~1872
Source father
● Household
· direct · ~0.92
Father
Charles Pierce
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Sylvia Pierce
b. ~1888
Source mother
● Household
· direct · ~0.92
Mother
Alhilda Pierce
b. ~1899
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Robert Pierce
Son · 1940 · age 24 · b. ~1916 · Minnesota
★ You are viewing this record
Sibling
Virginia Pierce
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Charles Pierce
Sibling · 1940 · age 14
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Pierce
Sibling · 1940 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Saml Pierce
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 — Wadena-County, Minnesota
Open full size
1940 US Federal Census — Wadena-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01966-00371)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Gunn | 38 | head | Lawyer | Minnesota |
| 2 | Florence Gunn | 38 | wife | — | Wisconsin |
| 3 | Robert Gunn | 15 | son | — | Minnesota |
| 4 | Richard Gunn | 10 | son | — | Minnesota |
| 5 | Frank Yetter | 40 | head | Dentist | Minnesota |
| 6 | Laura Yetter | 41 | wife | — | Minnesota |
| 7 | Ruth Yetter | 17 | daughter | — | Minnesota |
| 8 | Frances Yetter | 14 | daughter | — | Minnesota |
| 9 | Frank Jr. Yetter | 5 | son | — | Minnesota |
| 10 | Agnes Arne | 27 | roomer | Teacher | Minnesota |
| 11 | Gladys Woods | 38 | roomer | Teacher | Iowa |
| 12 | Frank Guest | 79 | head | — | Illinois |
| 13 | Lydia Guest | 78 | wife | — | Illinois |
| 14 | Ann Boylan | 30 | maid | Housekeeper | Minnesota |
| 15 | Marie Theone | 48 | roomer | Teacher | Iowa |
| 16 | Elsie Buyer | 34 | roomer | Teacher | England |
| 17 | Clarence Schneider | 45 | head | Truck Driver | Minnesota |
| 18 | Florence Schneider | 38 | wife | — | Minnesota |
| 19 | Donna Schneider | 15 | daughter | — | Minnesota |
| 20 | Betty Schneider | 14 | daughter | — | Minnesota |
| 21 | Robert Schneider | 13 | son | — | Minnesota |
| 22 | Kathryn Schneider | 12 | daughter | — | Minnesota |
| 23 | John Schneider | 10 | son | — | Minnesota |
| 24 | Charles S. Pierce | 52 | head | Doctor | Iowa |
| 25 | Alhilda Pierce | 41 | wife | — | Minnesota |
| 26 | Mary A. Pierce | 26 | daughter | Hostess | Minnesota |
| 27 | Robert A. Pierce THIS PERSON | 24 | son | — | Minnesota |
| 28 | Saml. A. Pierce | 22 | son | — | Minnesota |
| 29 | Charles Jr. Pierce | 14 | son | — | Minnesota |
| 30 | Virginia Pierce | 10 | daughter | — | Minnesota |
| 31 | Florence Williams | 25 | boarder | Teacher | California |
| 32 | Margaret Sondregard | 21 | boarder | Secretary | Minnesota |
| 33 | Delia Leiser | 18 | maid | Housework | Minnesota |
| 34 | Extra Line | None | — | — | — |
| 35 | Ray F. Johnson | 57 | head | Farmer | Illinois |
| 36 | Mattie Johnson | 60 | wife | — | Illinois |
| 37 | Wesley Johnson | 28 | son | Draftsman | Minnesota |
| 38 | Margaret Johnson | 27 | daughter | — | North Dakota |
| 39 | John Galleger | 43 | head | Supervisor | Minnesota |
| 40 | Galleger | 37 | wife | — | Minnesota |
Related Census Records
Pedigree Summary
Robert + 4 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)