RS
Ruth Swanson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ruth Swanson across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Andrew & Carl — first a daughter (b.~1909), then head of a 3-person household.
Age 31
b. ~1909
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Bookkeeper |
| Industry | Leather factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| Highest Grade | H 4 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Bookkeeper |
| Township / Ward | Woburn |
| Est. Birth Year | ~1909 |
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 |
|---|---|---|---|---|
| Ruth Swanson | Daughter | — | 31 | ~1909 |
| Andrew Swanson | Head | — | 63 | ~1877 |
| Christina Swanson | Spouse | — | 54 | ~1886 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 11
Middlesex, Massachusetts · implied b. ~1909 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 21
Middlesex, Massachusetts · implied b. ~1909 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Swanson |
| Given Name | Ruth E |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Sweden |
| Occupation | Bookkeeper |
| Industry | Office |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 31
Middlesex-County, Massachusetts · implied b. ~1909 — 3 household members
| Surname | Swanson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Woburn |
| 1935 Residence (County) | Middlesex |
| Occupation | Bookkeeper |
| Industry | Leather factory |
| Class of Worker | PW |
| Hours Worked | 44 |
| Income (1939) | 210 |
| Highest Grade | H 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 Swanson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Andrew Swanson (~0.92 confidence) and father Carl Swanson (~0.92 confidence) and mother Anna Swanson (~0.92 confidence) and mother Christina Swanson (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Andrew Swanson
b. ~1877
Source father
● Household
· direct · ~0.92
Father
Carl Swanson
b. ~1877
Source father
● Household
· direct · ~0.92
Mother
Anna Swanson
b. ~1871
Source mother
● Household
· direct · ~0.92
Mother
Christina Swanson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Swanson
Daughter · 1940 · age 31 · b. ~1909 · 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 — 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-t0627-01622-00816)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Earle Anderson | 28 | Head | Salesman | Massachusetts |
| 42 | Doris Anderson | 17 | Wife | — | Massachusetts |
| 43 | Katherine Morge | 52 | Housekeeper | Housekeeper | Massachusetts |
| 44 | Miriam West | 54 | Head | Secretary | Massachusetts |
| 45 | Elsie West | 52 | Sister | — | Massachusetts |
| 46 | Eleanor West | 25 | Sister | — | Massachusetts |
| 47 | Mary Parker | 86 | Sister-in-law | — | Massachusetts |
| 48 | Agnes Sheahan | 65 | Head | Matron | Massachusetts |
| 49 | Josephine Sheahan | 55 | Sister | — | Massachusetts |
| 50 | Dennis J. Murray | 48 | Boarder | Tunnel Man | Massachusetts |
| 51 | Arch Young | 35 | Boarder | Teacher | New York |
| 52 | Philip Sutherland | 32 | Head | Operator | Nova Scotia |
| 53 | Florence Sutherland | 38 | Wife | — | Massachusetts |
| 54 | Joseph Irwin | 56 | Head | Painter | Massachusetts |
| 55 | Harriet Irwin | 50 | Wife | — | Massachusetts |
| 56 | Alan Irwin | 10 | Son | — | Massachusetts |
| 57 | Joseph Sands | 75 | Head | Gardener | Ireland |
| 58 | Louisa Sands | 62 | Wife | — | Canada |
| 59 | Andrew Swanson | 63 | Head | Finisher | Sweden |
| 60 | Christina Swanson | 54 | Wife | Stitcher | Sweden |
| 61 | Ruth Swanson THIS PERSON | 31 | Daughter | Bookkeeper | Massachusetts |
| 62 | Albert Ring | 43 | Head | Inspector | Massachusetts |
| 63 | Bertha Ring | 42 | Wife | — | Massachusetts |
| 64 | Albert Ring | 15 | Son | — | Massachusetts |
| 65 | John Ring | 14 | Son | — | Massachusetts |
| 66 | Richard Ring | 11 | Son | — | Massachusetts |
| 67 | Edwin Brownley | 70 | Head | — | Massachusetts |
| 68 | Ella M. Brownley | 69 | Wife | — | Pennsylvania |
| 69 | Maria W. Waite | 74 | Lodger | — | Massachusetts |
| 70 | George Mason | 53 | Head | Oil Man | Massachusetts |
| 71 | Nellie Mason | 50 | Wife | — | Massachusetts |
| 72 | Everett Mason | 22 | Son | Salesman | Massachusetts |
| 73 | Irene Mason | 23 | Daughter | Secretary | Massachusetts |
| 74 | Laura Green | 52 | Head | — | Massachusetts |
| 75 | John Sullivan | 68 | Head | Storekeeper | Massachusetts |
| 76 | Clara Sullivan | 59 | Wife | — | England |
| 77 | John Mason | 39 | Head | Engineer | Massachusetts |
| 78 | Edith Mason | 45 | Wife | — | Massachusetts |
| 79 | Eleanor Mason | 15 | Daughter | — | Massachusetts |
| 80 | Margery Mason | 12 | Daughter | — | Massachusetts |
Pedigree Summary
Ruth
Gen 1 · 4 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)