EA
Earl Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Middlesex-County, Massachusetts
Our Model Tree links this Earl Adams across the 1920, 1930 and 1940 US Censuses in Middlesex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Herbert & Raymond — first a son (b.~1906), then head of a 8-person household.
Age 34
b. ~1906
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Middlesex-County, Massachusetts |
| Surname | Adams |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Melrose |
| 1935 Residence (County) | Middlesex |
| Additional Details | |
| Class of Worker | 0 |
| Hours Worked | 17 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | City Of Melrose |
| Est. Birth Year | ~1906 |
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.
8 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Earl | Age | Birth yr |
|---|---|---|---|---|
| Jacqueline Ball | Daughter | — | 4 | ~1936 |
| Dorothy Nickerson | Other | — | 14 | ~1926 |
| Dorothy Ball | Spouse | — | 35 | ~1905 |
| Esther Nickerson | Other | — | 15 | ~1925 |
| Raymond Ball | Head | — | 40 | ~1900 |
| Earl Adams | Son | — | 34 | ~1906 |
| James Nickerson | Other | — | 12 | ~1928 |
| Eileen Nickerson | Other | — | 11 | ~1929 |
Census Appearances
1920
Middlesex, Massachusetts
Son, age 13
Middlesex, Massachusetts · implied b. ~1907 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 13 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Middlesex, Massachusetts
Son, age 23
Middlesex, Massachusetts · implied b. ~1907 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 23 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Age at First Marriage | 21 |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Occupation | Painter |
| Industry | House Painting |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Middlesex-County, Massachusetts
Son, age 34
Middlesex-County, Massachusetts · implied b. ~1906 — 8 household members
| Surname | Adams |
| Given Name | Earl |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 34 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | City of Melrose |
| 1935 Residence (County) | Middlesex |
| Class of Worker | 0 |
| Hours Worked | 17 |
| 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 Earl Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Herbert Adams (~0.92 confidence) and father Raymond Ball (~0.60 confidence) and father Reuben Adams (~0.92 confidence) and mother Dorothy Ball (~0.60 confidence) and mother Marion Adams (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.79
Father
Herbert Adams
b. ~1879
Source father
● Household
· direct · ~0.92
Father
Raymond Ball
b. ~1900
Source father
● Household
· direct · ~0.6
Father
Reuben Adams
b. ~1876
Source father
● Household
· direct · ~0.92
Mother
Dorothy Ball
b. ~1905
Source mother
● Household
· direct · ~0.6
Mother
Marion Adams
b. ~1883
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Earl Adams
Son · 1940 · age 34 · b. ~1906 · Massachusetts
★ You are viewing this record
Sibling
Jacqueline Ball
Sibling · 1940 · age 4
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-t0627-01613-00022)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Edwin H Vickery | 19 | Lodger | Printer Apprentice | Massachusetts |
| 42 | Laurence S Jewell | 54 | Head | Salesman | California |
| 43 | Jean P Jewell | 48 | Wife | — | Minnesota |
| 44 | Laurence S Jewell | 10 | Son | — | Massachusetts |
| 45 | Louie B Guild | 67 | Head | — | Canada |
| 46 | Jeanette L Guild | 38 | Daughter | Senior Clerk | Massachusetts |
| 47 | Robert B Jones | 32 | Head | Tender | Canada |
| 48 | Ada M Jones | 26 | Wife | — | Maine |
| 49 | B Mainerd | 44 | Head | Freight Checker | Massachusetts |
| 50 | Clara Mainerd | 34 | Wife | — | Massachusetts |
| 51 | Robert Mainerd | 11 | Grandson | — | Massachusetts |
| 52 | Clifford G Mainerd | 4 | Grandson | — | Massachusetts |
| 53 | Herbert N Adams | 62 | Head | Painter | Massachusetts |
| 54 | Marion E Adams | 57 | Wife | — | Massachusetts |
| 55 | Raymond J Ball | 40 | Head | Steward | Connecticut |
| 56 | Dorothy Ball | 35 | Wife | — | Massachusetts |
| 57 | Earl Adams THIS PERSON | 34 | Son | — | Massachusetts |
| 58 | Esther R Nickerson | 15 | Grand daughter | — | Massachusetts |
| 59 | Dorothy B Nickerson | 14 | Grand daughter | — | Massachusetts |
| 60 | James W Nickerson | 12 | Grandson | — | Massachusetts |
| 61 | Eileen J Nickerson | 11 | Grand daughter | — | Massachusetts |
| 62 | Jacqueline Ball | 4 | Daughter | — | Massachusetts |
| 63 | William Greenwood | 37 | Head | — | Canada |
| 64 | Celia M Greenwood | 41 | Wife | — | Canada |
| 65 | Shirley Greenwood | 12 | Daughter | — | Massachusetts |
| 66 | Guenetta E Greenwood | 7 | Daughter | — | Massachusetts |
| 67 | Albert E Sheppard | 34 | Head | Laborer | Massachusetts |
| 68 | Florence P Sheppard | 30 | Wife | — | Canada |
| 69 | Albert E Jr Sheppard | 6 | Son | — | Massachusetts |
| 70 | John E Foote | 59 | Head | Gasoline Attendant | Vermont |
| 71 | Helen L Foote | 54 | Wife | — | Maine |
| 72 | William E Manzer | 72 | Head | Blacksmith | Massachusetts |
| 73 | May J Manzer | 69 | Wife | — | New York |
| 74 | James E Manzer | 47 | Son | Herbalist | Massachusetts |
| 75 | Fred Churchill | 78 | Lodger | — | Maine |
| 76 | George H White | 60 | Head | Salesman | Michigan |
| 77 | Mary F White | 57 | Wife | Stenographer | New York |
| 78 | Eustace F Madeira | 50 | Head | Freight Handler | Nova Scotia |
| 79 | Evelyn C Madeira | 56 | Wife | — | Canada |
| 80 | Dorothy E Madeira | 15 | Daughter | — | Massachusetts |
Pedigree Summary
Earl + 1 sibling
Gen 1 · 5 parents
~0.79
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)