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Mary Lewis — 1940 US Census Record
Model Tree available1940 United States Federal Census · Ramsey-County, Minnesota
Our Model Tree links this Mary Lewis across the 1920, 1930 and 1940 US Censuses in Ramsey-County, Minnesota (XGBoost, ~Confirmed), with identified parents William & M — first a spouse (b.~1910), then head of a 3-person household.
Age 30
b. ~1910
Female
Spouse
Born: Minnesota
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Ramsey-County, Minnesota |
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Additional Details | |
| Occupation | Packer |
| Industry | Beer Bottle Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Packer |
| Township / Ward | St Paul City |
| Est. Birth Year | ~1910 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Jolene Lewis | Daughter | — | 12 | ~1928 |
| Joseph Lewis | Head | — | 26 | ~1914 |
| Mary Lewis | Spouse | — | 30 | ~1910 |
Census Appearances
1920
Ramsey, Minnesota
Daughter, age 9
Ramsey, Minnesota · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 9 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Ramsey, Minnesota
Daughter, age 20
Ramsey, Minnesota · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lewis |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Minnesota |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Ramsey-County, Minnesota
Spouse, age 30
Ramsey-County, Minnesota · implied b. ~1910 — 3 household members
| Surname | Lewis |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | Minnesota |
| 1935 Residence (City) | St. Paul City |
| 1935 Residence (County) | Ramsey |
| Occupation | Packer |
| Industry | Beer Bottle Factory |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 210 |
| Highest Grade | No 8 |
| 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 Mary Lewis across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father William Lewis (~0.92 confidence) and father M Lewis (~0.92 confidence) and mother Barbara Lewis (~0.92 confidence) and mother Barbara Lewis (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
William Lewis
b. ~1874
Source father
● Household
· direct · ~0.92
Father
M Lewis
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Barbara Lewis
b. ~1881
Source mother
● Household
· direct · ~0.92
Mother
Barbara Lewis
b. ~1888
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lewis
Spouse · 1940 · age 30 · b. ~1910 · 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
29 people indexed on this census page (nara:1940:m-t0627-01995-00342)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Mary Fischer | 48 | wife | — | Wisconsin |
| 2 | Peter Fischer | 20 | son | Mail Clerk | Minnesota |
| 3 | Richard F Fischer | 16 | son | — | Minnesota |
| 4 | Edward T Fischer | 15 | son | — | Minnesota |
| 5 | James P Fischer | 9 | son | — | Minnesota |
| 6 | Anne Techer | 76 | Head | — | Luxemburg |
| 7 | John L Techer | 48 | son | Yard Clerk | Minnesota |
| 8 | Francis R Reisinger | 60 | Head | Janitress | New York |
| 9 | Bernard Nagler | 89 | uncle | — | Germany |
| 10 | Kenneth Schultz | 21 | nephew | Machine Operator | Minnesota |
| 11 | Myrtle A Olsen | 31 | Head | Clerk | Minnesota |
| 12 | Shirley J Olsen | 11 | daughter | — | Minnesota |
| 13 | David N Olsen | 8 | son | — | Minnesota |
| 14 | Lalla B Huntley | 32 | Head | — | Michigan |
| 15 | Yvonne J Huntley | 13 | daughter | — | Minnesota |
| 16 | Kenneth M Huntley | 11 | son | — | Illinois |
| 17 | Barbara M Huntley | 9 | daughter | — | Minnesota |
| 18 | Jean Huntley | 6 | daughter | — | Minnesota |
| 19 | Saundra M Huntley | 4 | daughter | — | Minnesota |
| 20 | Frank P Meyers | 29 | Head | House Painter | Wisconsin |
| 21 | Rose M Meyers | 28 | wife | — | Minnesota |
| 22 | Infant Meyers | 0 | son | — | Minnesota |
| 23 | George R Roberts | 30 | Head | Sheet Metal Worker | Minnesota |
| 24 | Rose Roberts | 28 | wife | — | Minnesota |
| 25 | Josephine Roberts | 3 | daughter | — | Minnesota |
| 26 | George Roberts | 2 | son | — | Minnesota |
| 27 | Joseph Lewis | 26 | Head | Labourer | Minnesota |
| 28 | Mary Lewis THIS PERSON | 30 | wife | Packer | Minnesota |
| 29 | Jolene M Lewis | 12 | daughter | — | Minnesota |
Pedigree Summary
Mary
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)