MB
Mary Byrne — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Marquette-County, Wisconsin
Our Model Tree links this Mary Byrne across the 1930 and 1940 US Censuses in Marquette-County, Wisconsin (XGBoost, ~Confirmed) — first a spouse (b.~1901), then head of a 11-person household.
Age 39
b. ~1901
Female
Spouse
Born: Wisconsin
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Marquette-County, Wisconsin |
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Neshkoro township |
| 1935 Residence (County) | Marquette |
| Additional Details | |
| Highest Grade | No C-2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Neshkoro Township |
| Est. Birth Year | ~1901 |
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.
11 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Gladys Byrne | Daughter | — | 17 | ~1923 |
| Betty Byrne | Daughter | — | 2 | ~1938 |
| Frances Byrne | Daughter | — | 13 | ~1927 |
| Georgia Byrne | Daughter | — | 16 | ~1924 |
| George Byrne | Head | — | 40 | ~1900 |
| Harold Byrne | Son | — | 19 | ~1921 |
| Eugene Byrne | Son | — | 11 | ~1929 |
| Thomas Byrne | Son | — | 8 | ~1932 |
| Robert Byrne | Son | — | 4 | ~1936 |
| Kenneth Byrne | Son | — | 10 | ~1930 |
| Mary Byrne | Spouse | — | 39 | ~1901 |
Census Appearances
1930
Marquette, Wisconsin
Other, age 29
Marquette, Wisconsin · implied b. ~1901 — 10 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Byrnes |
| Given Name | Mary R. |
| Relationship to Head | Daughter-in-law |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| Age at First Marriage | 19 |
| Father's Birthplace | Wisconsin |
| Mother's Birthplace | Wisconsin |
| Can Read/Write | Yes |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Marquette-County, Wisconsin
Spouse, age 39
Marquette-County, Wisconsin · implied b. ~1901 — 11 household members
| Surname | Byrne |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Neshkoro township |
| 1935 Residence (County) | Marquette |
| Highest Grade | No C-2 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
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 Byrne across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Byrne
Spouse · 1940 · age 39 · b. ~1901 · Wisconsin
★ 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 — Marquette-County, Wisconsin
Open full size
1940 US Federal Census — Marquette-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04499-00148)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Barbara Jensen | 6 | daughter | — | Wisconsin |
| 42 | Eugene Jensen | 5 | son | — | Wisconsin |
| 43 | Charles Lydka | 72 | head | Farmer | Wisconsin |
| 44 | Amalia Lydka | 77 | wife | — | Wisconsin |
| 45 | Joseph Slovenske | 61 | head | Farmer | Wisconsin |
| 46 | Clara Asmussen | 62 | sister | — | Wisconsin |
| 47 | Paulina Krause | 65 | head | — | Wisconsin |
| 48 | Herman Krause | 27 | son | Farmer | Wisconsin |
| 49 | Alvin Krause | 36 | fosterson | Farmer | Wisconsin |
| 50 | Marvin Faulkner | 12 | grandson | — | Wisconsin |
| 51 | Julius E. Rutz | 72 | head | Farmer | Wisconsin |
| 52 | Minnie Rutz | 68 | wife | — | Wisconsin |
| 53 | Lena Rutz | 43 | daughter | — | Wisconsin |
| 54 | Ida Rutz | 41 | daughter | — | Wisconsin |
| 55 | Elmer Rutz | 29 | son | Farmer | Wisconsin |
| 56 | James Powers | 42 | head | Farmer | Wisconsin |
| 57 | Dominic Powers | 32 | brother | Farmer | Wisconsin |
| 58 | Annie Powers | 68 | mother | — | Wisconsin |
| 59 | Wilhelmina Doms | 74 | head | — | Wisconsin |
| 60 | Arnold Doms | 34 | son | Farmer | Wisconsin |
| 61 | George Byrne | 40 | head | Farmer | Wisconsin |
| 62 | Mary Byrne THIS PERSON | 39 | wife | — | Wisconsin |
| 63 | Harold B. Byrne | 19 | son | Fireman | Wisconsin |
| 64 | Gladys Byrne | 17 | daughter | — | Wisconsin |
| 65 | Georgia Byrne | 16 | daughter | — | Wisconsin |
| 66 | Frances Byrne | 13 | daughter | — | Wisconsin |
| 67 | Eugene Byrne | 11 | son | — | Wisconsin |
| 68 | Kenneth Byrne | 10 | son | — | Wisconsin |
| 69 | Thomas Byrne | 8 | son | — | Wisconsin |
| 70 | Robert Byrne | 4 | son | — | Wisconsin |
| 71 | Betty Jean Byrne | 2 | daughter | — | Wisconsin |
| 72 | Henry Kentzel | 54 | head | Farmer | Germany |
| 73 | Paulina Kentzel | 69 | wife | — | Wisconsin |
| 74 | Dora Kentzel | 33 | daughter | — | Wisconsin |
| 75 | Edward Kentzel | 31 | son | Farmer | Wisconsin |
| 76 | Anna Kentzel | 26 | daughter | Chambermaid | Wisconsin |
| 77 | Erich Kentzel | 23 | son | Laborer | Wisconsin |
| 78 | John E. Prechel | 45 | head | Farmer | Wisconsin |
| 79 | Emily Prechel | 45 | wife | — | Wisconsin |
| 80 | Mary Prechel | 16 | daughter | — | Wisconsin |
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)