RL
Ruth Larson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Suffolk-County, Massachusetts
Our Model Tree links this Ruth Larson across the 1920, 1930 and 1940 US Censuses in Suffolk-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Erric & Olga — first a spouse (b.~1914), then head of a 3-person household.
Age 26
b. ~1914
Female
Spouse
Born: Massachusetts
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Suffolk-County, Massachusetts |
| Surname | Larson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winthrop Town |
| 1935 Residence (County) | Suffolk |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Winthrop Town |
| Est. Birth Year | ~1914 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Nancy Larson | Daughter | — | 2 | ~1938 |
| Ruth Larson | Spouse | — | 26 | ~1914 |
| George Larson | Head | — | 31 | ~1909 |
Census Appearances
1920
Suffolk, Massachusetts
Daughter, age 5
Suffolk, Massachusetts · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 5 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Suffolk, Massachusetts
Daughter, age 15
Suffolk, Massachusetts · implied b. ~1915 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Larson |
| Given Name | Ruth |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 15 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Suffolk-County, Massachusetts
Spouse, age 26
Suffolk-County, Massachusetts · implied b. ~1914 — 3 household members
| Surname | Larson |
| Given Name | Ruth |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 26 |
| Marital Status | Married |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Winthrop Town |
| 1935 Residence (County) | Suffolk |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Ruth Larson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Erric Larson (~0.92 confidence) and mother Olga Larson (~0.92 confidence). The pedigree spans 1 generation with 2 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Erric Larson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Olga Larson
b. ~1884
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Larson
Spouse · 1940 · age 26 · b. ~1914 · Massachusetts
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Suffolk-County, Massachusetts
Open full size
1940 US Federal Census — Suffolk-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01644-00690)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Lewis W. Hinckley | 35 | Head | Accountant | New Hampshire |
| 2 | Dorothy E. Hinckley | 33 | Wife | — | Canada |
| 3 | Flora Law | 74 | Head | — | Scotland |
| 4 | Elizabeth H. Law | 45 | Daughter | Assist Manager | Scotland |
| 5 | George R. Larson | 31 | Head | Salesman | Massachusetts |
| 6 | Ruth Larson THIS PERSON | 26 | Wife | — | Massachusetts |
| 7 | Nancy C. Larson | 2 | Daughter | — | Massachusetts |
| 8 | Lillian Damon | 42 | Head | — | Massachusetts |
| 9 | Walter Damon | 16 | Son | Foreman | Massachusetts |
| 10 | Joseph O. Nelson | 81 | Father | — | Maine |
| 11 | Mary A. G. Jones | 58 | Head | — | Massachusetts |
| 12 | Gertrude E. Jones | 56 | Sister | — | Massachusetts |
| 13 | Clotilde Jones | 54 | Sister | Stenographer | Massachusetts |
| 14 | Anne Brennen | 77 | Mother-in-law | — | Massachusetts |
| 15 | Edwin F. Floyd | 31 | Head | Carpenter | Massachusetts |
| 16 | Ruth E. Floyd | 28 | Wife | — | Massachusetts |
| 17 | Edwin P. Floyd | 5 | Son | — | Massachusetts |
| 18 | Blanche E. Floyd | 3 | Daughter | — | Massachusetts |
| 19 | Edward Floyd | 20 | Lodger | Mechanic | Massachusetts |
| 20 | William P. Sterner | 70 | Head | Janitor | Pennsylvania |
| 21 | Mary E. Sterner | 68 | Wife | — | New Hampshire |
| 22 | Louise E. Sterner | 37 | Daughter | Hairdresser | Massachusetts |
| 23 | Dennis Connor | 39 | Son-in-law | Accountant | Massachusetts |
| 24 | Frances Connor | 35 | Daughter | — | New Hampshire |
| 25 | Margaret Connor | 7 | Grand-daughter | — | Massachusetts |
| 26 | Eleanor M. O'Malley | 26 | Niece | Secretary | New Hampshire |
| 27 | Philip Miller | 45 | Head | Salesman | Massachusetts |
| 28 | Julia Miller | 40 | Wife | Bookkeeper | Massachusetts |
| 29 | Edward H. Homer | 45 | Head | Owner | Massachusetts |
| 30 | Alma J. Homer | 42 | Wife | — | Massachusetts |
| 31 | Robert E. Homer | 21 | Son | Delivery Boy | Massachusetts |
| 32 | Winthrop Homer | 17 | Son | Painter | Massachusetts |
| 33 | Alma Homer | 11 | Daughter | — | Massachusetts |
| 34 | Joan Homer | 5 | Daughter | — | Massachusetts |
| 35 | Ralph M. Harper | 58 | Head | Minister | North Carolina |
| 36 | Alice W. Harper | 55 | Wife | — | South Dakota |
| 37 | John C. Harper | 15 | Son | — | Massachusetts |
| 38 | Wallace G. Welburn | 34 | Nephew | — | South Carolina |
| 39 | Rudolph D. Rabetoy | 79 | Head | — | Nova Scotia |
| 40 | Edith A. Rabetoy | 74 | Wife | — | Massachusetts |
Pedigree Summary
Ruth
Gen 1 · 2 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)