EJ
Ernest Jones — 1940 US Census Record
Model Tree available1940 United States Federal Census · Plymouth-County, Massachusetts
Our Model Tree links this Ernest Jones across the 1920, 1930 and 1940 US Censuses in Plymouth-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Joseph & Joseph — first a son (b.~1910), then head of a 5-person household.
Age 30
b. ~1910
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Plymouth-County, Massachusetts |
| Surname | Jones |
| Given Name | Ernest A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Duxbury |
| 1935 Residence (County) | Plymouth |
| Additional Details | |
| Occupation | clerk office |
| Industry | town office |
| Class of Worker | GW |
| Hours Worked | 46 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Clerk Office |
| Township / Ward | Duxbury |
| Est. Birth Year | ~1910 |
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 Ernest | Age | Birth yr |
|---|---|---|---|---|
| Helen Jones | Daughter | — | 28 | ~1912 |
| Irina Jones | Daughter | — | 16 | ~1924 |
| Joseph Jones | Head | — | 60 | ~1880 |
| Ernest Jones | Son | — | 30 | ~1910 |
| Grace Jones | Spouse | — | 58 | ~1882 |
Census Appearances
1920
Suffolk, Massachusetts
Son, age 10
Suffolk, Massachusetts · implied b. ~1910 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ernest A. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Plymouth, Massachusetts
Son, age 20
Plymouth, Massachusetts · implied b. ~1910 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Jones |
| Given Name | Ernest A |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 20 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Massachusetts |
| Occupation | Bates College |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Plymouth-County, Massachusetts
Son, age 30
Plymouth-County, Massachusetts · implied b. ~1910 — 5 household members
| Surname | Jones |
| Given Name | Ernest A. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 30 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Duxbury |
| 1935 Residence (County) | Plymouth |
| Occupation | clerk office |
| Industry | town office |
| Class of Worker | GW |
| Hours Worked | 46 |
| Income (1939) | 1000 |
| Highest Grade | No 6 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
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 Ernest Jones across 3 US Census years (1920, 1930 and 1940) in 3 locations, using XGBoost record linkage. Identified parents: father Joseph Jones (~0.92 confidence) and father Joseph Jones (~0.92 confidence) and father Joseph Jones (~0.92 confidence) and mother Grace Jones (~0.92 confidence) and mother Grace Jones (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Joseph Jones
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Joseph Jones
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Joseph Jones
b. ~1880
Source father
● Household
· direct · ~0.92
Mother
Grace Jones
b. ~1882
Source mother
● Household
· direct · ~0.92
Mother
Grace Jones
b. ~1885
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Ernest Jones
Son · 1940 · age 30 · b. ~1910 · Massachusetts
★ You are viewing this record
Sibling
Irina Jones
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Helen Jones
Sibling · 1940 · age 28
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 — Plymouth-County, Massachusetts
Open full size
1940 US Federal Census — Plymouth-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01637-00618)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Frances P. Fowle | 67 | Head | — | Massachusetts |
| 2 | Leora W. Freeman | 82 | Head | Housekeeper | Massachusetts |
| 3 | Martha A. Prouty | 60 | niece | — | Massachusetts |
| 4 | Harold H. Gibson | 34 | Head | Architect | Missouri |
| 5 | Caroline B. Gibson | 36 | wife | — | Illinois |
| 6 | Ann B. Gibson | 9 | daughter | — | Illinois |
| 7 | Abbie S. Bradley | 52 | Head | Telephone Op. | Massachusetts |
| 8 | Lizzie B. Herrick | 81 | mother | — | Massachusetts |
| 9 | Joseph T. C. Jones | 60 | head | Clerk Office | Maine |
| 10 | Grace W. Jones | 58 | wife | — | Massachusetts |
| 11 | Ernest A. Jones THIS PERSON | 30 | son | Clerk Office | Maine |
| 12 | Helen C. Jones | 28 | daughter | Bookkeeper | Massachusetts |
| 13 | Irina B. Jones | 16 | daughter | — | Massachusetts |
| 14 | Arthur K. Smith | 29 | head | Teacher | New Hampshire |
| 15 | Dorothy T. Smith | 28 | wife | Laboratory Technician | Massachusetts |
| 16 | Joseph H. Richards | 38 | head | Wool Buyer | Utah |
| 17 | Stewart Richards | 30 | wife | — | Ohio |
| 18 | Stephen Richards | 7 | son | — | Massachusetts |
| 19 | Peter Richards | 5 | son | — | Massachusetts |
| 20 | Hazel M. Parks | 33 | servant | General Maid | Massachusetts |
| 21 | Frederick A. Buttrick | 85 | head | — | Massachusetts |
| 22 | Kate R. Buttrick | 85 | wife | — | New York |
| 23 | Gile Buttrick | 55 | daughter | — | Massachusetts |
| 24 | Elizabeth Northrup | 25 | servant | General Maid | Vermont |
| 25 | Annette De Coursey | 66 | head | — | Colorado |
| 26 | Marie De Coursey | 69 | sister | — | Pennsylvania |
| 27 | Harold W. Stevens | 56 | head | Physician | Massachusetts |
| 28 | Margaret H. Stevens | 44 | wife | — | Massachusetts |
| 29 | Joan F. Stevens | 9 | daughter | — | Massachusetts |
| 30 | Anne P. Stevens | 6 | daughter | — | Massachusetts |
| 31 | George S. Green | 45 | head | Teacher | Maine |
| 32 | Viola B. Green | 40 | wife | — | Maine |
| 33 | Elizabeth Green | 15 | daughter | — | Massachusetts |
| 34 | Robert Green | 11 | son | — | Massachusetts |
| 35 | Daniel L. Winsor | 43 | head | Bartender | Massachusetts |
| 36 | Marie Winsor | 39 | wife | General Help | Virginia |
| 37 | Daniel Jr. Winsor | 17 | son | — | Connecticut |
| 38 | Helen Anita Winsor | 5 | daughter | — | Massachusetts |
| 39 | Cora M. Thompson | 50 | head | — | New Hampshire |
| 40 | Mercy A. Parker | 87 | lodger | — | Massachusetts |
Pedigree Summary
Ernest + 2 siblings
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)