RK
Ruth Kennedy — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Ruth Kennedy across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Jeremiah & Joseph — first a daughter (b.~1917), then head of a 5-person household.
Age 23
b. ~1917
Female
Daughter
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-3 |
| 1935 Residence | Same place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Occupation | Clerk |
| Township / Ward | Medford City |
| Est. Birth Year | ~1917 |
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 Ruth | Age | Birth yr |
|---|---|---|---|---|
| Mary Cannon | Head | — | 70 | ~1870 |
| William Cannon | Son | — | 35 | ~1905 |
| Ruth Kennedy | Daughter | — | 23 | ~1917 |
| James Kennedy | Other | — | 70 | ~1870 |
| Catherine Kennedy | Other | — | 65 | ~1875 |
Census Appearances
1920
Middlesex, Massachusetts
Daughter, age 1
Middlesex, Massachusetts · implied b. ~1919 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Ruth M. |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 1 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Daughter, age 12
Middlesex, Massachusetts · implied b. ~1918 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 12 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Daughter, age 23
Middlesex-County, Massachusetts · implied b. ~1917 — 5 household members
| Surname | Kennedy |
| Given Name | Ruth |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Medford City |
| 1935 Residence (County) | Middlesex |
| Occupation | Clerk |
| Industry | Department Store |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1200 |
| Highest Grade | H-3 |
| 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 Kennedy across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Jeremiah Kennedy (~0.92 confidence) and father Joseph Kennedy (~0.92 confidence) and mother Adeline Kennedy (~0.92 confidence) and mother Ethel Kennedy (~0.92 confidence) and mother Mary Cannon (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Jeremiah Kennedy
b. ~1895
Source father
● Household
· direct · ~0.92
Father
Joseph Kennedy
b. ~1886
Source father
● Household
· direct · ~0.92
Mother
Adeline Kennedy
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Ethel Kennedy
b. ~1896
Source mother
● Household
· direct · ~0.92
Mother
Mary Cannon
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ruth Kennedy
Daughter · 1940 · age 23 · b. ~1917 · Massachusetts
★ You are viewing this record
Sibling
William Cannon
Sibling · 1940 · age 35
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 — 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-t0627-01611-00106)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Bertha Kelly | 36 | Wife | — | Massachusetts |
| 42 | Patricia Kelly | 14 | Daughter | — | Massachusetts |
| 43 | Neil Mccarthy | 45 | Head | Barber | Massachusetts |
| 44 | Anna Mccarthy | 41 | Wife | — | Massachusetts |
| 45 | Helen Mccarthy | 20 | Daughter | Operator | Massachusetts |
| 46 | William Mccarthy | 17 | Son | New Worker | Massachusetts |
| 47 | James Convery | 37 | Head | Clerk | Northern Ireland |
| 48 | Catherine Convery | 44 | Wife | — | Massachusetts |
| 49 | Patricia Convery | 7 | Daughter | — | Massachusetts |
| 50 | James Convery | 6 | Son | — | Massachusetts |
| 51 | Edward Vines | 36 | Head | — | Massachusetts |
| 52 | Norma Vines | 36 | Wife | — | Massachusetts |
| 53 | Edward Vines | 5 | Son | — | Massachusetts |
| 54 | Francis Connor | 32 | Head | Bus Pilot | Massachusetts |
| 55 | Agnes Connor | 27 | Wife | — | Massachusetts |
| 56 | Terrence Connor | 1 | Son | — | Massachusetts |
| 57 | John Mcnamara | 32 | Head | Mechanic | Massachusetts |
| 58 | Mary Mcnamara | 27 | Wife | — | Massachusetts |
| 59 | Mary Cannon | 70 | Head | — | Canada English |
| 60 | William Cannon | 35 | Son | Electrician | Massachusetts |
| 61 | James Kennedy | 70 | Brother in law | — | Maine |
| 62 | Catherine Kennedy | 65 | Sister | — | Maine |
| 63 | Ruth Kennedy THIS PERSON | 23 | Daughter | Clerk | Massachusetts |
| 64 | William Moore | 65 | Head | — | Massachusetts |
| 65 | Mary Moore | 61 | Wife | Foreman | Massachusetts |
| 66 | William Jr. Moore | 28 | Son | Registrar | Massachusetts |
| 67 | Richard Mcgovern | 35 | Head | Clerk | Massachusetts |
| 68 | Phyllis Mcgovern | 33 | Wife | — | Massachusetts |
| 69 | Phyllis Mcgovern | 9 | Daughter | — | Massachusetts |
| 70 | Richard Mcgovern | 7 | Son | — | Massachusetts |
| 71 | Neil Patterson | 37 | Head | Painter | English Canada |
| 72 | Gladys Patterson | 32 | Wife | — | Massachusetts |
| 73 | Bessie Margaret Wright | 38 | Head | — | Massachusetts |
| 74 | Arthur Wright | 31 | Son | Printer | Massachusetts |
| 75 | William Mckenna | 37 | Head | — | Massachusetts |
| 76 | Florence Mckenna | 33 | Wife | Secretary | Massachusetts |
| 77 | Sarah Anderson | 67 | Mother in law | — | Massachusetts |
| 78 | Agnes Burns | 55 | Head | New Worker | Massachusetts |
| 79 | John Burns | 21 | Son | — | Massachusetts |
| 80 | Julia Cavanaugh | 60 | Sister | — | Massachusetts |
Pedigree Summary
Ruth + 1 sibling
Gen 1 · 5 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)