MQ
Mary Quinn — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Cerro-Gordo-County, Iowa
Our Model Tree links this Mary Quinn across the 1920, 1930 and 1940 US Censuses in Cerro-Gordo-County, Iowa (XGBoost, ~Confirmed) — first a head (b.~1867), then head of a 2-person household.
Age 73
b. ~1867
Female
Head
Born: Pennsylvania
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Cerro-Gordo-County, Iowa |
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | MASON CITY |
| 1935 Residence (County) | CERRO GORDO |
| Additional Details | |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Mason City |
| Est. Birth Year | ~1867 |
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.
2 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mary Quinn | Head | — | 73 | ~1867 |
| Thomas Quinn | Son | — | 49 | ~1891 |
Census Appearances
1920
Cerro Gordo, …
Head, age 55
Cerro Gordo, Iowa · implied b. ~1865 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | head |
| Sex | F |
| Color / Race | White |
| Age | 55 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Cerro Gordo, …
Other, age 64
Cerro Gordo, Iowa · implied b. ~1866 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Head-H |
| Sex | F |
| Color / Race | White |
| Age | 64 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Home Owned/Rented | O |
| Home Value / Rent | 3000 |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1940
Cerro-Gordo-County, Iowa
Head, age 73
Cerro-Gordo-County, Iowa · implied b. ~1867 — 2 household members
| Surname | Quinn |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 73 |
| Marital Status | Widowed |
| Birthplace | Pennsylvania |
| 1935 Residence (City) | MASON CITY |
| 1935 Residence (County) | CERRO GORDO |
| Highest Grade | No 5 |
| 1935 Residence | Same House |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Quinn across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Quinn
Head · 1940 · age 73 · b. ~1867 · Iowa
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Cerro-Gordo-County, Iowa
Open full size
1940 US Federal Census — Cerro-Gordo-County, Iowa
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01146-00549)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Doris Kaler | 3 | Daughter | — | Minnesota |
| 42 | Paul Dumont | 51 | Lodger | Owner | Iowa |
| 43 | Robert Dumont | 25 | Lodger | Service Man | Iowa |
| 44 | Robert Englund | 28 | Lodger | Developer | Wisconsin |
| 45 | Christian R. Madson | 67 | Head | Mechanic | Denmark |
| 46 | Minnie Madson | 51 | Wife | — | Denmark |
| 47 | Amanda Graham | 72 | Head | Housework | Iowa |
| 48 | Theoline Hanson | 70 | Head | Egg Candler | Iowa |
| 49 | Inie Ounderland | 65 | Aunt | Housework | Iowa |
| 50 | Earl C. Conner | 67 | Head | — | Iowa |
| 51 | Ida Conner | 69 | Wife | — | Iowa |
| 52 | Ida Baker | 64 | Lodger | — | Iowa |
| 53 | Mary Waite | 61 | Lodger | — | Wisconsin |
| 54 | Tress Harriham | 21 | Lodger | Beauty Operator | Iowa |
| 55 | Rachel D. Catlin | 80 | Head | Retired | Wisconsin |
| 56 | Frank S. Catlin | 70 | Wife | — | Indiana |
| 57 | Dolly M. Asam | 45 | Daughter | — | Indiana |
| 58 | Lawrence Halligan | 32 | Head | Meat Inspector | South Dakota |
| 59 | Juanita Halligan | 30 | Wife | — | Minnesota |
| 60 | Walter B. Pilletty | 60 | Head | Owner | Iowa |
| 61 | Hazel M. Pilletty | 55 | Wife | — | Iowa |
| 62 | Paul G. Pilletty | 28 | Son | — | Iowa |
| 63 | Jerrold P. Pilletty | 26 | Son | Installation Work | Iowa |
| 64 | Leland M. West | 18 | Lodger | Meat Cutter | Iowa |
| 65 | Leo G. Harmon | 40 | Lodger | Clerk | Iowa |
| 66 | James Faggas | 45 | Lodger | Proprietor | Greece |
| 67 | Laura Faggas | 32 | Lodger-Wife | Grade Teacher | Greece |
| 68 | Willard Burris | 20 | Lodger | Stenographer | Iowa |
| 69 | Louis Putney | 51 | Lodger | 28 Waiter | Iowa |
| 70 | Ernest Moon | 50 | Head | Poultry Killer | Illinois |
| 71 | Violet Moon | 38 | Wife | — | Iowa |
| 72 | Coral Moon | 17 | Daughter | Waitress | Minnesota |
| 73 | Thomas Moon | 15 | Son | — | Minnesota |
| 74 | Rose Watts | 32 | Head | Worker | Iowa |
| 75 | Patricia Watts | 12 | Daughter | — | Iowa |
| 76 | Marilyn Watts | 7 | Daughter | — | Iowa |
| 77 | Jacqline Watts | 7 | Daughter | — | Iowa |
| 78 | Peter J. Watts | 5 | Son | — | Iowa |
| 79 | Mary Quinn THIS PERSON | 73 | Head | — | Pennsylvania |
| 80 | Thomas Quinn | 49 | Son | — | Iowa |
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)