PW
Peter Williams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Peter Williams across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents Peter & Mathilda — first a son (b.~1908), then head of a 2-person household.
Age 32
b. ~1908
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Williams |
| Given Name | Peter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey County |
| Additional Details | |
| Occupation | Refrigerating company |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | 220 |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Refrigerating Company |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1908 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Peter | Age | Birth yr |
|---|---|---|---|---|
| Peter Williams | Son | — | 32 | ~1908 |
| Mathilda Williams | Head | — | 67 | ~1873 |
Census Appearances
1920
Ramsey, Minnesota
Son, age 12
Ramsey, Minnesota · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Peter |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | Austria |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Son, age 22
Ramsey, Minnesota · implied b. ~1908 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Williams |
| Given Name | Peter |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Denmark |
| Mother's Birthplace | German Bohemia |
| Occupation | Laborer |
| Industry | Paper Mfg Co |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Son, age 32
Ramsey-County, Minnesota · implied b. ~1908 — 2 household members
| Surname | Williams |
| Given Name | Peter E. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 32 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey County |
| Occupation | Refrigerating company |
| Industry | PW |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | 220 |
| 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 Peter Williams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Peter Williams (~0.92 confidence) and mother Mathilda Williams (~0.92 confidence) and mother Mathilda Williams (~0.92 confidence) and mother Mathilda Williams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Peter Williams
b. ~1861
Source father
● Household
· direct · ~0.92
Mother
Mathilda Williams
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Williams
b. ~1873
Source mother
● Household
· direct · ~0.92
Mother
Mathilda Williams
b. ~1873
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Peter Williams
Son · 1940 · age 32 · b. ~1908 · 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 — Ramsey-County, Minnesota
Open full size
1940 US Federal Census — Ramsey-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02004-00223)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Beulah Warnecke | 36 | Wife | — | Illinois |
| 42 | William Warnecke | 2 | Son | — | Minnesota |
| 43 | James M. O'Brien | 28 | Head | R.R. Road Construction | Minnesota |
| 44 | Rosemarie O'Brien | 24 | Wife | — | Minnesota |
| 45 | John B. Noelstoppel | 31 | Head | Wholesale Packing Co. | Minnesota |
| 46 | Marie J. Noelstoppel | 32 | Wife | — | Minnesota |
| 47 | James J. Noelstoppel | 2 | Son | — | Minnesota |
| 48 | Sally Ann Noelstoppel | 1 | Daughter | — | Minnesota |
| 49 | Eugene Noelstoppel | 30 | Brother | Wholesale Packing Co. | Minnesota |
| 50 | Mathilda Williams | 67 | Head | — | Austria |
| 51 | Peter E. Williams THIS PERSON | 32 | Son | Refrigerating Company | Minnesota |
| 52 | George Kristine | 56 | Head | Packing Plant | Minnesota |
| 53 | Rose C. Kristine | 56 | Wife | — | Minnesota |
| 54 | James A. Kristine | 28 | Son | Own Tavern | Minnesota |
| 55 | Harvey C. Thieling | 36 | Head | Furnace Manufacturing | North Dakota |
| 56 | Rose M. Thieling | 29 | Wife | — | South Dakota |
| 57 | Janet R. Thieling | 1 | Daughter | — | Minnesota |
| 58 | Clarence A. Miller | 40 | Head | Northern States Power | Minnesota |
| 59 | Anna M. Miller | 31 | Wife | — | Minnesota |
| 60 | Gerald F. Miller | 1 | Son | — | Minnesota |
| 61 | Charles A. Harrison | 33 | Head | Mail Order Store | North Dakota |
| 62 | Elizabeth A. Harrison | 28 | Wife | — | Minnesota |
| 63 | Charles A. Harrison | 4 | Son | — | Minnesota |
| 64 | Caron Rose Harrison | 2 | Daughter | — | Minnesota |
| 65 | Andrew Nurobel | 54 | Head | Department Store | Poland |
| 66 | Veronica Nurobel | 52 | Wife | — | Hungary |
| 67 | Walter Nurobel | 18 | Son | Dry Cleaners | Minnesota |
| 68 | Helen S. Nurobel | 16 | Daughter | — | Minnesota |
| 69 | Edward Nurobel | 15 | Son | — | Minnesota |
| 70 | Veronica Nurobel | 13 | Daughter | — | Minnesota |
| 71 | Richard Nurobel | 11 | Son | — | Minnesota |
| 72 | George H. Lehrmann | 48 | Head | Tavern | Minnesota |
| 73 | Ella A. Lehrmann | 46 | Wife | — | Minnesota |
| 74 | Dolores E. Lehrmann | 18 | Daughter | — | Minnesota |
| 75 | Fredrick Tyring | 81 | Father-in-law | — | Germany |
| 76 | Arthur E. John | 66 | Head | Leather Manufacturing | Germany |
| 77 | Bertha K. John | 59 | Wife | — | Germany |
| 78 | Harry Schoenberg | 32 | Head | Automobile Garage | Minnesota |
| 79 | Ruth Schoenberg | 25 | Wife | — | Minnesota |
| 80 | Lawrence A. Schoenberg | 2 | Son | — | Minnesota |
Pedigree Summary
Peter
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)