ML
Mary Lutz — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Lake-County, Illinois
Our Model Tree links this Mary Lutz across the 1920, 1930 and 1940 US Censuses in Lake-County, Illinois (XGBoost, ~Confirmed) — first a spouse (b.~1894), then head of a 4-person household.
Age 46
b. ~1894
Female
Spouse
Born: Ireland
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Lake-County, Illinois |
| Surname | Lutz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Grant Town |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Additional Details | |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Township / Ward | Grant Town |
| Est. Birth Year | ~1894 |
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 |
|---|---|---|---|---|
| Josephine Lutz | Daughter | — | 20 | ~1920 |
| Christian Lutz | Head | — | 49 | ~1891 |
| Mary Lutz | Spouse | — | 46 | ~1894 |
| Christian Lutz | Son | — | 22 | ~1918 |
Census Appearances
1920
Lake, Illinois
Spouse, age 26
Lake, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lutz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Ireland |
| Year of Immigration | 1911 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1930
Lake, Illinois
Other, age 36
Lake, Illinois · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lutz |
| Given Name | Mary J. |
| Relationship to Head | Wife-H |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Ireland |
| Naturalization Status | Naturalized |
| Year of Immigration | 1910 |
| Age at First Marriage | 18 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Can Read/Write | Yes |
| Mother Tongue | Irish |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1940
Lake-County, Illinois
Spouse, age 46
Lake-County, Illinois · implied b. ~1894 — 4 household members
| Surname | Lutz |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Ireland |
| 1935 Residence (City) | Grant Town |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Income (1939) | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same place |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 Lutz across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Lutz
Spouse · 1940 · age 46 · b. ~1894 · Illinois
★ 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 — Lake-County, Illinois
Open full size
1940 US Federal Census — Lake-County, Illinois
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-00829-00375)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James W. Moran | 56 | Head | Retired Fireman | Illinois |
| 42 | Anne E. Moran | 50 | Wife | — | Denmark |
| 43 | Ashley Wettstein | 51 | Head | Laborer | Illinois |
| 44 | Florence Wettstein | 37 | Wife | — | Illinois |
| 45 | Francis D. Watson | 64 | Head | — | Ohio |
| 46 | Frank Watson | 21 | Son | Milk Man | Illinois |
| 47 | Gertrude Benjamin | 60 | Head | — | Illinois |
| 48 | Susan Langmeier | 72 | Head | — | Illinois |
| 49 | Emma Schuler | 60 | Partner | — | Ohio |
| 50 | Elizabeth Noppelle | 70 | Head | — | Hungary |
| 51 | Michel Maler | 75 | Head | — | Hungary |
| 52 | Masalina Maler | 60 | Wife | — | Hungary |
| 53 | Robert Boettcher | 66 | Head | Laborer | Germany |
| 54 | Agusta Boettcher | 63 | Wife | — | Wisconsin |
| 55 | Alvin Boettcher | 34 | Son | Laborer | Wisconsin |
| 56 | Lyle Stiehr | 39 | Head | Laborer | Illinois |
| 57 | Eleanor Stiehr | 34 | Wife | — | Illinois |
| 58 | Milton Stiehr | 15 | Son | — | Illinois |
| 59 | Ernest Griffith | 76 | Head | — | Michigan |
| 60 | Ida Griffith | 66 | Wife | — | Illinois |
| 61 | George Buchanan | 55 | Head | Laborer | Illinois |
| 62 | Christian Lutz | 49 | Head | Janitor | Illinois |
| 63 | Mary Lutz THIS PERSON | 46 | Wife | — | Ireland |
| 64 | Christian Lutz | 22 | Son | Laborer | Illinois |
| 65 | Josephine Lutz | 20 | Daughter | — | Illinois |
| 66 | James Lennon | 48 | Head | — | Illinois |
| 67 | Hazel Lennon | 46 | Wife | — | Indiana |
| 68 | James Lennon | 6 | Son | — | Illinois |
| 69 | David Lennon | 2 | Son | — | Illinois |
| 70 | Dora Lange | 52 | Maid | — | Illinois |
| 71 | Rudolph Van Cura | 27 | Lodger | — | Illinois |
| 72 | William De Slow | 36 | Head | Truck Driver | Oklahoma |
| 73 | Mary De Slow | 24 | Wife | Book-Keeper | Illinois |
| 74 | William Way | 32 | Head | Laborer | Illinois |
| 75 | Aneth Way | 22 | Wife | — | Illinois |
| 76 | Roy Way | 4 | Son | — | Illinois |
| 77 | Rosland Way | 2 | Daughter | — | Illinois |
| 78 | Caroline Way | 1 | Daughter | — | Illinois |
| 79 | Erna Hogman | 62 | Head | — | Michigan |
| 80 | Frank Johnson | 65 | Brother | — | Michigan |
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)