LA
Louise Anderson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Louise Anderson across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed) — first a head (b.~1861), then head of a 3-person household.
Age 79
b. ~1861
Female
Head
Born: Sweden
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Anderson |
| Given Name | Louise O. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | East Pepperell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
| Township / Ward | East Pepperell |
| Est. Birth Year | ~1861 |
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.
3 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Louise | Age | Birth yr |
|---|---|---|---|---|
| Andrew Anderson | Son | — | 54 | ~1886 |
| Oscar Anderson | Son | — | 36 | ~1904 |
| Louise Anderson | Head | — | 79 | ~1861 |
Census Appearances
1900
Middlesex, Massachusetts
Spouse, age 40
Middlesex, Massachusetts · implied b. ~1860 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louisa |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| Marital Status | Married |
| Birthplace | Sweden |
| Birth Month | Nov |
| Birth Year | 1860 |
| Year of Immigration | 1881 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1910
Middlesex, Massachusetts
Spouse, age 49
Middlesex, Massachusetts · implied b. ~1861 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louisa |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | Sweden |
| Years Married | 27 |
| Children Born | 6 |
| Children Living | 5 |
| Year of Immigration | 1884 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1920
Middlesex, Massachusetts
Spouse, age 59
Middlesex, Massachusetts · implied b. ~1861 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louise |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 59 |
| Marital Status | Married |
| Birthplace | Sweden |
| Year of Immigration | 1884 |
| Naturalization Status | Alien |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Swedish |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1930
Middlesex, Massachusetts
Spouse, age 69
Middlesex, Massachusetts · implied b. ~1861 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Anderson |
| Given Name | Louise |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 69 |
| Marital Status | Married |
| Birthplace | Sweden |
| Naturalization Status | Alien |
| Year of Immigration | 1889 |
| Age at First Marriage | 20 |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read/Write | Yes |
| Mother Tongue | Swedish |
| Veteran | No |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
1940
Middlesex-County, Massachusetts
Head, age 79
Middlesex-County, Massachusetts · implied b. ~1861 — 3 household members
| Surname | Anderson |
| Given Name | Louise O. |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 79 |
| Marital Status | Widowed |
| Birthplace | Sweden |
| 1935 Residence (City) | East Pepperell |
| 1935 Residence (County) | Middlesex |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Hours Worked | 0 |
| Highest Grade | H-2 |
| 1935 Residence | Same Place |
| Birth Country | Sweden |
| Birthplace (normalized) | sweden |
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 Louise Anderson across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Louise Anderson
Head · 1940 · age 79 · b. ~1861 · Massachusetts
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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 — Middlesex-County, Massachusetts
Open full size
1940 US Federal Census — Middlesex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01616-00675)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Michael Mcgrath | 76 | Head | — | Irish Free State |
| 2 | Arlene Mcgrath | 28 | Daughter | Teller | Massachusetts |
| 3 | William Lynch | 32 | Lodger | Beater Engineer | Massachusetts |
| 4 | Louise O. Anderson THIS PERSON | 79 | Head | — | Sweden |
| 5 | Andrew G. Anderson | 54 | Son | Farmer | New York |
| 6 | Oscar G. Anderson | 36 | Son | Electrician | Massachusetts |
| 7 | Cyril J. Mayou | 36 | Head | Machine Operator | Vermont |
| 8 | Bernice L. Mayou | 45 | Wife | — | Massachusetts |
| 9 | Donald W. Crane | 23 | Step Son | Clerk | Pennsylvania |
| 10 | Lillian P. Mayou | 32 | Sister | Sorter | Vermont |
| 11 | Adrain Rondeau | 29 | Head | Paper Maker | Massachusetts |
| 12 | Emily Rondeau | 31 | Wife | Inspector | Maine |
| 13 | Germaine Rondeau | 10 | Daughter | — | New Hampshire |
| 14 | Jacqueline Rondeau | 6 | Daughter | — | New Hampshire |
| 15 | Joseph R. Allen | 46 | Head | Machine Operator | Massachusetts |
| 16 | Margaret C. Allen | 46 | Wife | — | Massachusetts |
| 17 | John Allen | 10 | Son | — | New Hampshire |
| 18 | William Denyer | 52 | Head | Laborer | Massachusetts |
| 19 | Henry E. Denyer | 47 | Brother | — | Massachusetts |
| 20 | Albert F. Duda | 54 | Head | Beater Engineer | Poland |
| 21 | Anna Duda | 51 | Wife | — | Poland |
| 22 | Valentine Duda | 25 | Son | Painter | Massachusetts |
| 23 | Mary Duda | 22 | Daughter | Stenographer | Massachusetts |
| 24 | Theodore Duda | 13 | Son | — | Massachusetts |
| 25 | Anna P. Duda | 11 | Daughter | — | Massachusetts |
| 26 | Howard P. Trites | 35 | Head | Truck Driver | Massachusetts |
| 27 | Marie Y. Trites | 26 | Wife | — | Maine |
| 28 | Howard P. Jr. Trites | 5 | Son | — | New Hampshire |
| 29 | Marie L. Trites | 4 | Daughter | — | New Hampshire |
| 30 | William Scanlon | 51 | Head | Caretaker | Massachusetts |
| 31 | Joana E. Flynn | 71 | Aunt | — | Massachusetts |
| 32 | Nelson Cardain | 66 | Head | — | New York |
| 33 | George E. O'Toole | 45 | Head | Beater Engineer | Massachusetts |
| 34 | Leona M. O'Toole | 32 | Wife | — | Maine |
| 35 | Barbara A. O'Toole | 12 | Daughter | — | Massachusetts |
| 36 | Clifford B. Munson | 39 | Head | Paper Maker | New Hampshire |
| 37 | Mary G. Munson | 35 | Wife | — | Massachusetts |
| 38 | John F. Munson | 15 | Son | — | Massachusetts |
| 39 | Patricia A. Munson | 14 | Daughter | — | Massachusetts |
| 40 | Marie T. Munson | 9 | Daughter | — | Massachusetts |
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)