MS
Mary Swanson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Chautauqua-County, New York
Our Model Tree links this Mary Swanson across the 1930 and 1940 US Censuses in Chautauqua-County, New York (XGBoost, ~Confirmed) — first a daughter (b.~1927), then head of a 5-person household.
Age 13
b. ~1927
Female
Daughter
Born: New York
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Chautauqua-County, New York |
| Surname | Swanson |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Jamestown |
| 1935 Residence (County) | Chautauqua |
| Additional Details | |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
| Township / Ward | Jamestown |
| Est. Birth Year | ~1927 |
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 |
|---|---|---|---|---|
| Loren Swanson | Head | — | 39 | ~1901 |
| Mary Swanson | Daughter | — | 13 | ~1927 |
| Mamie Swanson | Spouse | — | 38 | ~1902 |
| Barbara Swanson | Daughter | — | 4 | ~1936 |
| Hannel Swanson | Son | — | 19 | ~1921 |
Census Appearances
1930
Chautauqua, New …
Daughter, age 3
Chautauqua, New York · implied b. ~1927 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Mary Lou |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 3 |
| Marital Status | Single |
| Birthplace | New York |
| Father's Birthplace | New York |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
1940
Chautauqua-County, New …
Daughter, age 13
Chautauqua-County, New York · implied b. ~1927 — 5 household members
| Surname | Swanson |
| Given Name | Mary Lou |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | New York |
| 1935 Residence (City) | Jamestown |
| 1935 Residence (County) | Chautauqua |
| Highest Grade | No 7 |
| 1935 Residence | Same place |
| Birth State | New York |
| Birth Country | United States |
| Birthplace (normalized) | new york |
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 Swanson across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Swanson
Daughter · 1940 · age 13 · b. ~1927 · New York
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Sibling
Barbara Swanson
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hannel Swanson
Sibling · 1940 · age 19
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 — Chautauqua-County, New York
Open full size
1940 US Federal Census — Chautauqua-County, New York
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02511-00340)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | James Jr. Childs | 2 | Son | — | New York |
| 42 | Oscar C. Lindstrom | 47 | Head | Cement Finisher | Sweden |
| 43 | Ellen Lindstrom | 47 | Wife | — | Pennsylvania |
| 44 | Eleanor Lindstrom | 20 | Daughter | Salesgirl | New York |
| 45 | Doris Lindstrom | 16 | Daughter | — | New York |
| 46 | Loren A. Swanson | 39 | Head | Order Clerk | New York |
| 47 | Mamie Swanson | 38 | Wife | Dressknitter | New York |
| 48 | Hannel Swanson | 19 | Son | Messenger Boy | New York |
| 49 | Mary Lou Swanson THIS PERSON | 13 | Daughter | — | New York |
| 50 | Barbara Jean Swanson | 4 | Daughter | — | New York |
| 51 | Canny A. Bergquist | 71 | Head | — | Denmark |
| 52 | Lillian Bergquist | 29 | Daughter | Switchboard Operator | New York |
| 53 | Emil B. Till | 25 | Head | Machinist | Pennsylvania |
| 54 | Harriet Till | 23 | Wife | Stenographer | New York |
| 55 | Floyd Swanson | 34 | Head | Sales Clerk | Pennsylvania |
| 56 | Violet Swanson | 32 | Wife | — | New York |
| 57 | Ronald F. Swanson | 8 | Son | — | New York |
| 58 | Clarence A. Bergstrom | 76 | Head | — | Sweden |
| 59 | Johanna Bergstrom | 86 | Wife | — | Sweden |
| 60 | Phoebe B. Smith | 51 | Daughter | Teacher | Pennsylvania |
| 61 | Truman A. Marker | 45 | Head | Proprietor | Pennsylvania |
| 62 | Ursula A. Marker | 42 | Wife | — | New York |
| 63 | Mary Ann Marker | 10 | Daughter | — | New York |
| 64 | Blendon Lamphene | 35 | Head | Truck Driver | New York |
| 65 | Juanita Lamphene | 24 | Wife | — | Pennsylvania |
| 66 | Russell Cappano | 44 | Head | — | Italy |
| 67 | Jeanette Cappano | 36 | Wife | Beautician | Pennsylvania |
| 68 | Charles Cappano | 19 | Son | Trimmer | New York |
| 69 | Donatea Olson | 45 | Head | Houseworker | Sweden |
| 70 | Ross Foti | 44 | Head | Crater | Italy |
| 71 | Sebastiana Foti | 45 | Wife | — | Italy |
| 72 | Rose Foti | 22 | Daughter | Snipper | New York |
| 73 | Anthony Foti | 20 | Son | Trucker | New York |
| 74 | Josephine Foti | 18 | Daughter | — | New York |
| 75 | Sylvester Foti | 28 | Brother | Corporation School | New York |
| 76 | Peter Calanni | 42 | Head | Laborer | Italy |
| 77 | Jeanette Calanni | 30 | Wife | — | New York |
| 78 | Josephine Calanni | 13 | Daughter | — | New York |
| 79 | Carmella Calanni | 10 | Daughter | — | New York |
| 80 | Delores Calanni | 8 | Daughter | — | New York |
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)