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Mary Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hennepin-County, Minnesota
Our Model Tree links this Mary Lynch across the 1920, 1930 and 1940 US Censuses in Hennepin-County, Minnesota (XGBoost, ~Confirmed), with identified parents James & Katherine — first a daughter (b.~1917), then head of a 4-person household.
Age 23
b. ~1917
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hennepin-County, Minnesota |
| Surname | Lynch |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Additional Details | |
| Occupation | New Worker |
| Industry | Public Utilities |
| Class of Worker | PW |
| Hours Worked | 36 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | New Worker |
| Township / Ward | Minneapolis City |
| Est. Birth Year | ~1917 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Lynch | Daughter | — | 23 | ~1917 |
| Katherine Lynch | Head | — | 48 | ~1892 |
| Franklin Lynch | Son | — | 20 | ~1920 |
| Joseph Lynch | Son | — | 12 | ~1928 |
Census Appearances
1920
Hennepin, Minnesota
Other, age 4
Hennepin, Minnesota · implied b. ~1916 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Neice |
| Sex | F |
| Color / Race | White |
| Age | 4 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Occupation | none |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Hennepin, Minnesota
Daughter, age 14
Hennepin, Minnesota · implied b. ~1916 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Mary |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 14 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Hennepin-County, Minnesota
Daughter, age 23
Hennepin-County, Minnesota · implied b. ~1917 — 4 household members
| Surname | Lynch |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Minneapolis City |
| 1935 Residence (County) | Hennepin |
| Occupation | New Worker |
| Industry | Public Utilities |
| Class of Worker | PW |
| Hours Worked | 36 |
| Highest Grade | H 4 |
| 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 Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father James Lynch (~0.92 confidence) and mother Katherine Lynch (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
James Lynch
b. ~1888
Source father
● Household
· direct · ~0.92
Mother
Katherine Lynch
b. ~1892
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Mary Lynch
Daughter · 1940 · age 23 · b. ~1917 · Minnesota
★ You are viewing this record
Sibling
Franklin Lynch
Sibling · 1940 · age 20
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Lynch
Sibling · 1940 · age 12
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 — Hennepin-County, Minnesota
Open full size
1940 US Federal Census — Hennepin-County, Minnesota
Page Contents
39 people indexed on this census page (nara:1940:m-t0627-01993-00580)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Elsworth D. Silseth | 39 | Head | Salesman | Minnesota |
| 2 | Beulah E. Silseth | 40 | Wife | — | No. Dakota |
| 3 | Shirley Ann Silseth | 13 | Daughter | — | No. Dakota |
| 4 | John Richard Silseth | 10 | Son | — | Minnesota |
| 5 | Gene Jude Silseth | 4 | Son | — | Minnesota |
| 6 | Katherine Lynch | 48 | Head | — | Wisconsin |
| 7 | Mary Elizabeth Lynch THIS PERSON | 23 | Daughter | New Worker | Minnesota |
| 8 | Franklin Lynch | 20 | Son | Typist | Minnesota |
| 9 | Joseph Arthur Lynch | 12 | Son | — | Minnesota |
| 10 | Carl J. Hansen | 44 | Head | Salesman | Minnesota |
| 11 | Marie Hansen | 35 | Wife | — | Kansas |
| 12 | John Hansen | 15 | Son | — | Minneapolis |
| 13 | William Hansen | 13 | Son | — | Minnesota |
| 14 | Fred A. Delaney | 37 | Head | Salesman | Illinois |
| 15 | Ann Delaney | 27 | Wife | — | Illinois |
| 16 | Michael Delaney | 4 | Son | — | Illinois |
| 17 | Clayton Roswell | 53 | Head | Road Construction | Minnesota |
| 18 | Ad Nell Roswell | 55 | Wife | — | South Dakota |
| 19 | Merabert Roswell | 20 | Daughter | Mail Order Clerk | Minnesota |
| 20 | Mary K. Roswell | 15 | Daughter | — | Minnesota |
| 21 | B. L. Mann | 55 | Head | Advertising | Michigan |
| 22 | Wayne Ruth Mann | 50 | Wife | Saleslady | Minnesota |
| 23 | George W. Mann | 60 | Lodger | Salesman | Missouri |
| 24 | Warren H. Mann | 19 | Lodger | New Worker | Minnesota |
| 25 | Robert C. Mann | 12 | Son | — | Minnesota |
| 26 | Thomas E. Depoy | 39 | Head | Salesman | Indiana |
| 27 | Delpha B. Depoy | 32 | Wife | — | Indiana |
| 28 | Thomas Depoy | 15 | Son | Newsboy | Indiana |
| 29 | Donald Edward Depoy | 13 | Son | — | Indiana |
| 30 | Mary Ann Depoy | 10 | Daughter | — | Indiana |
| 31 | James E. Depoy | 28 | Lodger | Printer | Tennessee |
| 32 | Ella Laura Taylor | 52 | Head | — | Wisconsin |
| 33 | Lloyd H. Taylor | 38 | Wife | Stock Clerk | Canada |
| 34 | Zela Herbert Taylor | 42 | Lodger | Laborer | Wisconsin |
| 35 | Johanne Smith | 56 | Head | — | Minnesota |
| 36 | Vincent Smith | 27 | Son | Welder | Minnesota |
| 37 | Elizabeth Smith | 26 | Daughter | Secretary | New Mexico |
| 38 | Wallace Smith | 24 | Son | Laborer | South Dakota |
| 39 | Joseph Smith | 21 | Son | Advertising | South Dakota |
Pedigree Summary
Mary + 2 siblings
Gen 1 · 2 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)