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Margaret Mahoney — 1940 US Census Record
Model Tree available1940 United States Federal Census · Stevens-County, Minnesota
Our Model Tree links this Margaret Mahoney across the 1910, 1920, 1930 and 1940 US Censuses in Stevens-County, Minnesota (XGBoost, ~Confirmed), with identified parents Michael & Michael — first a daughter (b.~1902), then head of a 4-person household.
Age 38
b. ~1902
Female
Daughter
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Stevens-County, Minnesota |
| Surname | Mahoney |
| Given Name | Margaret L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Darnen Township |
| 1935 Residence (County) | Stevens |
| Additional Details | |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 1935 Residence | Same place |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Occupation | Teacher |
| Township / Ward | Darnen Township |
| Est. Birth Year | ~1902 |
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 Margaret | Age | Birth yr |
|---|---|---|---|---|
| Michael Mahoney | Head | — | 73 | ~1867 |
| Francis Mahoney | Son | — | 41 | ~1899 |
| Elizabeth Mahoney | Spouse | — | 66 | ~1874 |
| Margaret Mahoney | Daughter | — | 38 | ~1902 |
Census Appearances
1910
Stevens, Minnesota
Daughter, age 8
Stevens, Minnesota · implied b. ~1902 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ire English |
| Mother's Birthplace | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1920
Stevens, Minnesota
Daughter, age 17
Stevens, Minnesota · implied b. ~1903 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Minnesota |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1930
Stevens, Minnesota
Daughter, age 27
Stevens, Minnesota · implied b. ~1903 — 16 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mahoney |
| Given Name | Margaret |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Minnesota |
| Occupation | Teacher |
| Industry | Rural Public School |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Stevens-County, Minnesota
Daughter, age 38
Stevens-County, Minnesota · implied b. ~1902 — 4 household members
| Surname | Mahoney |
| Given Name | Margaret L |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 38 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Darnen Township |
| 1935 Residence (County) | Stevens |
| Occupation | Teacher |
| Industry | Public School |
| Class of Worker | GW |
| Hours Worked | 42 |
| Income (1939) | 720 |
| Highest Grade | C 2 |
| 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 Margaret Mahoney across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Mahoney (~0.92 confidence) and father Michael Mahoney (~0.92 confidence) and father Mike Mahoney (~0.92 confidence) and mother Elizabeth Mahoney (~0.92 confidence) and mother Elizabeth Mahoney (~0.92 confidence) and mother Elizabeth Mahoney (~0.92 confidence). The pedigree spans 1 generation with 6 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Mahoney
b. ~1867
Source father
● Household
· direct · ~0.92
Father
Michael Mahoney
b. ~1861
Source father
● Household
· direct · ~0.92
Father
Mike Mahoney
b. ~1870
Source father
● Household
· direct · ~0.92
Mother
Elizabeth Mahoney
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Mahoney
b. ~1874
Source mother
● Household
· direct · ~0.92
Mother
Elizabeth Mahoney
b. ~1874
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Margaret Mahoney
Daughter · 1940 · age 38 · b. ~1902 · Minnesota
★ You are viewing this record
Sibling
Francis Mahoney
Sibling · 1940 · age 41
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 — Stevens-County, Minnesota
Open full size
1940 US Federal Census — Stevens-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01962-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Peter J (Cancelled) | 19 | son | Salesman | Minnesota |
| 2 | Mary E (Cancelled) | 18 | daughter | — | Minnesota |
| 3 | Anna M (Cancelled) | 16 | daughter | — | Minnesota |
| 4 | George Brehn | 17 | hired man | Laborer | Minnesota |
| 5 | William B Kleepsie | 41 | Head | Farming | Iowa |
| 6 | Katherine Kleepsie | 69 | Mother | — | Iowa |
| 7 | Ray G Flannagan | 19 | hired man | Laborer | Minnesota |
| 8 | Jacob W B Nohl | 59 | Head | Farming | Illinois |
| 9 | Anna M Nohl | 56 | Wife | — | Illinois |
| 10 | Edith B Nohl | 23 | daughter | — | Minnesota |
| 11 | Noah E Nohl | 21 | son | Farming | Minnesota |
| 12 | Orville J Nohl | 19 | son | Farming | Minnesota |
| 13 | Herman J Waletzko | 42 | Head | Farming | Minnesota |
| 14 | Mary M Waletzko | 39 | Wife | — | Minnesota |
| 15 | Lloyd A Waletzko | 14 | son | — | Minnesota |
| 16 | Charlotte A Waletzko | 6 | daughter | — | Minnesota |
| 17 | Charles G Flower | 70 | Head | Farming | Indiana |
| 18 | Florence Flower | 64 | Wife | — | Illinois |
| 19 | Michael P Mahoney | 73 | Head | Farming | Ireland |
| 20 | Elizabeth M Mahoney | 66 | Wife | — | Minnesota |
| 21 | Francis M Mahoney | 41 | son | Farming | Minnesota |
| 22 | Margaret L Mahoney THIS PERSON | 38 | daughter | Teacher | Minnesota |
| 23 | Francis J Coleman | 40 | Head | Farming | Minnesota |
| 24 | Mary R Coleman | 48 | sister | — | Minnesota |
| 25 | Elmer Jorgensen | 27 | hired man | Laborer | Iowa |
| 26 | Richard K Squires | 29 | Head | Farming | Iowa |
| 27 | Rose M Squires | 23 | Wife | — | Minnesota |
| 28 | James R Squires | 5 | son | — | Minnesota |
| 29 | Gerald W Squires | 1 | son | — | Minnesota |
| 30 | John C Dreves | 64 | Head | Farming | Germany |
| 31 | Christina M Dreves | 64 | Wife | — | Germany |
| 32 | Alma C Dreves | 30 | daughter | House Work | So. Dakota |
| 33 | Herbert M Dreves | 17 | son | Farming | Minnesota |
| 34 | Joseph J Feuchtenberger | 29 | Head | Farming | Minnesota |
| 35 | Emma L Feuchtenberger | 24 | Wife | — | Minnesota |
| 36 | Wallace H Feuchtenberger | 2 | son | — | Minnesota |
| 37 | Doris M Feuchtenberger | 0 | daughter | — | Minnesota |
| 38 | Benjamin Whitman | 28 | hired man | Laborer | Minnesota |
| 39 | Herbert P Beyer | 32 | Head | Laborer | Minnesota |
| 40 | Evelyn M Beyer | 30 | Wife | — | Minnesota |
Pedigree Summary
Margaret + 1 sibling
Gen 1 · 6 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)