RP
Ruth Peterson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Worcester-County, Massachusetts
Our Model Tree links this Ruth Peterson across the 1920, 1930 and 1940 US Censuses in Worcester-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Nils & Emma — first a daughter (b.~1918), then head of a 3-person household.
Age 22
b. ~1918
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Worcester-County, Massachusetts |
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Holden |
| 1935 Residence (County) | Worcester |
| Additional Details | |
| Occupation | Maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 288 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Maid |
| Township / Ward | Holden |
| Est. Birth Year | ~1918 |
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 Peterson | Daughter | — | 22 | ~1918 |
| Nils Peterson | Head | — | 51 | ~1889 |
| Emma Peterson | Spouse | — | 50 | ~1890 |
Census Appearances
1920
Worcester, Massachusetts
Daughter, age 2
Worcester, Massachusetts · implied b. ~1918 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Massachusetts |
| Mother Tongue | Swedish |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Worcester, Massachusetts
Daughter, age 12
Worcester, Massachusetts · implied b. ~1918
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | Peterson |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Sweden |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Worcester-County, Massachusetts
Daughter, age 22
Worcester-County, Massachusetts · implied b. ~1918 — 3 household members
| Surname | Peterson |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 22 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Holden |
| 1935 Residence (County) | Worcester |
| Occupation | Maid |
| Industry | private home |
| Class of Worker | PW |
| Hours Worked | 35 |
| Income (1939) | 288 |
| Highest Grade | H-3 |
| 1935 Residence | Same house |
| 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 Peterson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Nils Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence) and mother Emma Peterson (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Nils Peterson
b. ~1889
Source father
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1890
Source mother
● Household
· direct · ~0.92
Mother
Emma Peterson
b. ~1890
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Peterson
Daughter · 1940 · age 22 · b. ~1918 · 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 — Worcester-County, Massachusetts
Open full size
1940 US Federal Census — Worcester-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01650-00420)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Carl G. Landgren | 62 | Head | Machinist | Sweden |
| 2 | Ellen Landgren | 58 | Wife | — | Massachusetts |
| 3 | Helen M. Landgren | 19 | Daughter | — | Massachusetts |
| 4 | Lambert W. Anderson | 54 | Head | Machinist | Sweden |
| 5 | Gerda G. Anderson | 55 | Wife | — | Sweden |
| 6 | Vilma G. Anderson | 24 | Daughter | — | Massachusetts |
| 7 | Russell G. Hedlund | 25 | Nephew | Cook | Massachusetts |
| 8 | Nils E. Peterson | 51 | Head | Guard | Sweden |
| 9 | Emma M. Peterson | 50 | Wife | — | Massachusetts |
| 10 | Ruth Peterson THIS PERSON | 22 | Daughter | Maid | Massachusetts |
| 11 | Joseph H. Harvey | 45 | Head | Clerk | England |
| 12 | Gertrude M. Harvey | 44 | Wife | — | Massachusetts |
| 13 | John G. Harvey | 23 | Son | Pressman | Massachusetts |
| 14 | Whitney R. Parker | 54 | Head | Machinist | So. Carolina |
| 15 | Clara M. Parker | 54 | Wife | — | Massachusetts |
| 16 | Alice R. Parker | 23 | Daughter | Office | So. Carolina |
| 17 | Everett S. Parker | 20 | Son | Apprentice Machinist | So. Carolina |
| 18 | Shirley M. Parker | 14 | Daughter | — | Massachusetts |
| 19 | John A. Johnson | 67 | Head | Assembler | Sweden |
| 20 | Hanna S. Johnson | 62 | Wife | — | Sweden |
| 21 | Marshall H. Paquette | 44 | Head | Foreman Carpenter | Massachusetts |
| 22 | Stacia Paquette | 43 | Wife | — | Massachusetts |
| 23 | Russell J. Paquette | 20 | Son | Carpenter | Massachusetts |
| 24 | Virginia G. Paquette | 18 | Daughter | — | Massachusetts |
| 25 | Thelma D. Paquette | 15 | Daughter | — | Massachusetts |
| 26 | Marie J. Paquette | 6 | Daughter | — | Massachusetts |
| 27 | Emma D. Laroche | 54 | Head | — | Canada-French |
| 28 | Russell R. Laroche | 21 | Son | Machinist | Massachusetts |
| 29 | Richard M. Kane | 36 | Head | Slasher | Massachusetts |
| 30 | Sarah F. Kane | 30 | Wife | Office-Work | Massachusetts |
| 31 | Betty Anne Kane | 11 | Daughter | — | Massachusetts |
| 32 | Walter F. Howarth | 28 | Head | Shimmer|Skimmer | Massachusetts |
| 33 | Mabel Howarth | 26 | Wife | — | Massachusetts |
| 34 | Ronald F. Howarth | 1 | Son | — | Massachusetts |
| 35 | George W. Hopke | 58 | Head | — | So. Carolina |
| 36 | Bessie G. Hopke | 34 | Wife | — | Massachusetts |
| 37 | Marcia G. Hopke | 7 | Daughter | — | Massachusetts |
| 38 | Philip E. Kehoe | 44 | Boarder | Driver | Massachusetts |
| 39 | Azel F. Vebber | 50 | Head | Press Operator | Massachusetts |
| 40 | Lillian U. Vebber | 46 | Wife | Stitcher | Massachusetts |
Pedigree Summary
Ruth
Gen 1 · 3 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)