MG
Mary Gunn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rock-County, Wisconsin
Our Model Tree links this Mary Gunn across the 1930 and 1940 US Censuses in Rock-County, Wisconsin (XGBoost, ~Confirmed) — first a daughter (b.~1929), then head of a 5-person household.
Age 11
b. ~1929
Female
Daughter
Born: Wisconsin
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rock-County, Wisconsin |
| Surname | Gunn |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Rock Township |
| 1935 Residence (County) | Rock |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same place |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
| Township / Ward | Rock Township |
| Est. Birth Year | ~1929 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Kevin Gunn | Son | — | 13 | ~1927 |
| Elizabeth Gunn | Spouse | — | 52 | ~1888 |
| William Gunn | Son | — | 16 | ~1924 |
| Mary Gunn | Daughter | — | 11 | ~1929 |
| James Gunn | Head | — | 55 | ~1885 |
Census Appearances
1930
Rock, Wisconsin
Daughter, age 2
Rock, Wisconsin · implied b. ~1928 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Gunn |
| Given Name | Mary E. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| Father's Birthplace | Pennsylvania |
| Mother's Birthplace | Wisconsin |
| Birth State | Wisconsin |
| Birth Country | United States |
| Birthplace (normalized) | wisconsin |
1940
Rock-County, Wisconsin
Daughter, age 11
Rock-County, Wisconsin · implied b. ~1929 — 5 household members
| Surname | Gunn |
| Given Name | Mary Elizabeth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Wisconsin |
| 1935 Residence (City) | Rock Township |
| 1935 Residence (County) | Rock |
| Highest Grade | No 5 |
| 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 Gunn across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Gunn
Daughter · 1940 · age 11 · b. ~1929 · Wisconsin
★ You are viewing this record
Sibling
Kevin Gunn
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
William Gunn
Sibling · 1940 · age 16
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 — Rock-County, Wisconsin
Open full size
1940 US Federal Census — Rock-County, Wisconsin
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-04521-00320)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Cyrus A Mccumber | 46 | Head | Contractor | South Dakota |
| 2 | Bertha Mccumber | 32 | Wife | — | South Dakota |
| 3 | Albert Mccumber | 15 | Son | — | Wisconsin |
| 4 | Louise Mitchell | 17 | Daughter | — | Wisconsin |
| 5 | Virgil Mitchell | 24 | Son-in-law | Laborer | Wisconsin |
| 6 | Vivian Mitchell | 0 | Granddaughter | — | Wisconsin |
| 7 | Margaret O'Leary | 53 | Head | — | Wisconsin |
| 8 | Joseph W O'Leary | 30 | Son | Farming | Wisconsin |
| 9 | Marie O'Leary | 29 | Daughter | Teaching | Wisconsin |
| 10 | Alice O'Leary | 27 | Daughter | Clerk | Wisconsin |
| 11 | Irene O'Leary | 24 | Daughter | Clerk | Wisconsin |
| 12 | Francis O'Leary | 20 | Son | Laborer | Wisconsin |
| 13 | James L Gunn | 55 | Head | Farming | Wisconsin |
| 14 | Elizabeth Gunn | 52 | Wife | — | Wisconsin |
| 15 | William P Gunn | 16 | Son | Laborer | Wisconsin |
| 16 | Kevin F Gunn | 13 | Son | — | Wisconsin |
| 17 | Mary Elizabeth Gunn THIS PERSON | 11 | Daughter | — | Wisconsin |
| 18 | Adam Mayenschein | 67 | Head | — | Ohio |
| 19 | Laura Mayenschein | 66 | Wife | — | Ohio |
| 20 | Harold Mayenschein | 34 | Son | — | Wisconsin |
| 21 | Ethna Mayenschein | 34 | Daughter-in-law | — | Wisconsin |
| 22 | George Diehle | 53 | Head | Farm Laborer | Wisconsin |
| 23 | Frances Diehle | 49 | Wife | — | Wisconsin |
| 24 | Robert Diehle | 22 | Son | Farm Laborer | Wisconsin |
| 25 | Francis Diehle | 18 | Son | Truck Driver | Wisconsin |
| 26 | Helen Diehle | 13 | Daughter | — | Wisconsin |
| 27 | Ann Diehle | 11 | Daughter | — | Wisconsin |
| 28 | William Rehfeld | 76 | Head | — | Germany |
| 29 | Emma Rehfeld | 50 | Daughter | — | Wisconsin |
| 30 | Martin Henke | 38 | Hired man | Farm Laborer | Wisconsin |
| 31 | Richard L Hunley | 48 | Head | Farming | Wisconsin |
| 32 | Irene Schmidley | 34 | Sister | — | Wisconsin |
| 33 | George C Schmidley | 37 | Brother-in-law | Electrician | Wisconsin |
| 34 | Allen T Schmidley | 9 | Nephew | — | Wisconsin |
| 35 | Doloris Schmidley | 8 | Niece | — | Wisconsin |
| 36 | Michael Schmidley | 4 | Nephew | — | Wisconsin |
| 37 | Elmer Lembrich | 50 | Head | Farming | Wisconsin |
| 38 | Lucille Lembrich | 35 | Wife | — | Iowa |
| 39 | Ellen Mary Lembrich | 15 | Daughter | — | Wisconsin |
| 40 | Elmer Valentine Lembrich | 14 | Son | — | 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)