JA
John Adams — 1940 US Census Record
Model Tree available1940 United States Federal Census · Merrimack-County, New Hampshire
Our Model Tree links this John Adams across the 1920, 1930 and 1940 US Censuses in Merrimack-County, New Hampshire (XGBoost, ~Confirmed), with identified parents John & John — first a son (b.~1912), then head of a 3-person household.
Age 28
b. ~1912
Male
Son
Born: New Hampshire
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Merrimack-County, New Hampshire |
| Surname | Adams |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Pittsfield Village |
| 1935 Residence (County) | Merrimack |
| Additional Details | |
| Occupation | Clerk Shipping |
| Industry | Shoe Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Clerk Shipping |
| Township / Ward | Pittsfield Village |
| Est. Birth Year | ~1912 |
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 John | Age | Birth yr |
|---|---|---|---|---|
| John Adams | Head | — | 65 | ~1875 |
| John Adams | Son | — | 28 | ~1912 |
| Nellie Adams | Spouse | — | 47 | ~1893 |
Census Appearances
1920
Merrimack, New …
Son, age 7
Merrimack, New Hampshire · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | John Jr |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Connecticut |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Merrimack, New …
Son, age 17
Merrimack, New Hampshire · implied b. ~1913 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Adams |
| Given Name | John B. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Connecticut |
| Can Read/Write | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Merrimack-County, New …
Son, age 28
Merrimack-County, New Hampshire · implied b. ~1912 — 3 household members
| Surname | Adams |
| Given Name | John B. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 28 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Pittsfield Village |
| 1935 Residence (County) | Merrimack |
| Occupation | Clerk Shipping |
| Industry | Shoe Shop |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | C-3 |
| 1935 Residence | Same place |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 John Adams across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Adams (~0.92 confidence) and father John Adams (~0.92 confidence) and mother Nellie Adams (~0.92 confidence) and mother Catherine Adams (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Adams
b. ~1877
Source father
● Household
· direct · ~0.92
Father
John Adams
b. ~1875
Source father
● Household
· direct · ~0.92
Mother
Nellie Adams
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Catherine Adams
b. ~1881
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Adams
Son · 1940 · age 28 · b. ~1912 · New Hampshire
★ 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 — Merrimack-County, New Hampshire
Open full size
1940 US Federal Census — Merrimack-County, New Hampshire
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02294-00768)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | William B. Eley | 61 | Head | Maintainer | Massachusetts |
| 42 | Elizabeth C. Eley | 58 | Wife | Piano Teacher | England |
| 43 | William E. Philbrick | 51 | Head | Carpenter | New Hampshire |
| 44 | Carrie L. Philbrick | 45 | Wife | Housewife | New Hampshire |
| 45 | Leona A. Philbrick | 17 | Daughter | — | New Hampshire |
| 46 | Charles W. Lacey | 64 | Head | Poultryman | Massachusetts |
| 47 | Anna B. Lacey | 63 | Wife | Housewife | Massachusetts |
| 48 | Marguerite A. Lacey | 26 | Daughter | Clerical Officer | Massachusetts |
| 49 | Charles E. Cilley | 78 | Head | Electrician | New Hampshire |
| 50 | Edith M. Cilley | 54 | Wife | Housewife | New Hampshire |
| 51 | George J. Sargent | 53 | Head | Chemist | New Hampshire |
| 52 | Lena Sargent | 54 | Wife | Housewife | New Hampshire |
| 53 | John Adams | 65 | Head | Owner Manager | New Hampshire |
| 54 | Nellie R. Adams | 47 | Wife | Housewife | New Hampshire |
| 55 | John B. Adams THIS PERSON | 28 | Son | Clerk Shipping | New Hampshire |
| 56 | Edric S. Foss | 62 | Head | Laborer | New Hampshire |
| 57 | Gertrude E. Foss | 57 | Wife | Stitcher | New Hampshire |
| 58 | Cora M. Steele | 79 | Mother-in-law | — | New Hampshire |
| 59 | John M. Jr. Leclair | 46 | Head | Stitcher | Montreal |
| 60 | Gertrude P. Leclair | 40 | Wife | Housework | New Hampshire |
| 61 | Harrison H. Leclair | 17 | Son | — | New Hampshire |
| 62 | Eleanor M. Leclair | 11 | Daughter | — | New Hampshire |
| 63 | Virginia D. Leclair | 10 | Daughter | — | New Hampshire |
| 64 | Cora A. Curtis | 60 | Head | Shipping Clerk | New Hampshire |
| 65 | Jennie F. Curtis | 54 | Wife | — | New Hampshire |
| 66 | Maurice F. Curtis | 19 | Son | Teamster | New Hampshire |
| 67 | Arthur F. Constant | 28 | Head | Truck Driver | New Hampshire |
| 68 | Clarice J. Constant | 27 | Wife | Housework | New Hampshire |
| 69 | Evelyn L. Erickson | 46 | Head | Shoe Lacker | New Hampshire |
| 70 | Frank E. Abbott | 71 | Father | Salesman | New Hampshire |
| 71 | Ralph E. Pickering | 42 | Head | Heeler | New Hampshire |
| 72 | Margaret H. Pickering | 47 | Wife | Housewife | Pennsylvania |
| 73 | Ralph E. Jr. Pickering | 17 | Son | Laborer | New Hampshire |
| 74 | Harold R. Pickering | 13 | Son | — | New Hampshire |
| 75 | Donald K. Pickering | 2 | Grandson | — | New Hampshire |
| 76 | John H. Farnum | 72 | Head | Carriage Repairing | New Hampshire |
| 77 | Robert H. Fischer | 35 | Head | Bank Clerk | New Hampshire |
| 78 | Diana F. Fischer | 38 | Wife | Housewife | New Hampshire |
| 79 | Bernice R. Morgan | 18 | Step-daughter | Bookkeeper | New Hampshire |
| 80 | Augusta M. West | 66 | Head | Social Service | England |
Pedigree Summary
John
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)