JH
James Henderson — 1940 US Census Record
Model Tree available1940 United States Federal Census · Washington-County, Maine
Our Model Tree links this James Henderson across the 1920, 1930 and 1940 US Censuses in Washington-County, Maine (XGBoost, ~Confirmed), with identified parents Lincoln & Seneca — first a son (b.~1913), then head of a 4-person household.
Age 27
b. ~1913
Male
Son
Born: Maine
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Washington-County, Maine |
| Surname | Henderson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Calais city |
| 1935 Residence (County) | Washington |
| Additional Details | |
| Occupation | Laborer |
| Industry | Road proj. |
| Class of Worker | GW |
| Hours Worked | 24 |
| Income (1939) | 788 |
| Highest Grade | No 10 |
| 1935 Residence | Same place |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
| Occupation | Laborer |
| Township / Ward | Calais City |
| Est. Birth Year | ~1913 |
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.
4 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Seneca Henderson | Head | — | 74 | ~1866 |
| Alice Merritt | Other | — | 25 | ~1915 |
| James Henderson | Son | — | 27 | ~1913 |
| Clara Henderson | Spouse | — | 55 | ~1885 |
Census Appearances
1920
Washington, Maine
Son, age 7
Washington, Maine · implied b. ~1913 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | Maine |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1930
Washington, Maine
Son, age 17
Washington, Maine · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Henderson |
| Given Name | James F. |
| Relationship to Head | son |
| Sex | M |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | Maine |
| Father's Birthplace | Maine |
| Mother's Birthplace | Maine |
| Can Read/Write | Yes |
| Birth State | Maine |
| Birth Country | United States |
| Birthplace (normalized) | maine |
1940
Washington-County, Maine
Son, age 27
Washington-County, Maine · implied b. ~1913 — 4 household members
| Surname | Henderson |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | Maine |
| 1935 Residence (City) | Calais city |
| 1935 Residence (County) | Washington |
| Occupation | Laborer |
| Industry | Road proj. |
| Class of Worker | GW |
| Hours Worked | 24 |
| Income (1939) | 788 |
| Highest Grade | No 10 |
| 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 James Henderson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Lincoln Henderson (~0.92 confidence) and father Seneca Henderson (~0.92 confidence) and mother Clara Henderson (~0.92 confidence) and mother Eva Henderson (~0.92 confidence) and mother Clara Henderson (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Lincoln Henderson
b. ~1865
Source father
● Household
· direct · ~0.92
Father
Seneca Henderson
b. ~1866
Source father
● Household
· direct · ~0.92
Mother
Clara Henderson
b. ~1885
Source mother
● Household
· direct · ~0.92
Mother
Eva Henderson
b. ~1886
Source mother
● Household
· direct · ~0.92
Mother
Clara Henderson
b. ~1886
Source mother
● Household
· direct · ~0.92
This person
Anchor record
James Henderson
Son · 1940 · age 27 · b. ~1913 · Maine
★ 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 — Washington-County, Maine
Open full size
1940 US Federal Census — Washington-County, Maine
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01493-00798)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jennie M. Dawson | 68 | Head | — | Maine |
| 2 | Harold Stanhope | 41 | Head | Patrolman | Maine |
| 3 | Alice Stanhope | 39 | Wife | — | Maine |
| 4 | Edna Stanhope | 17 | Dau | — | Canada-Eng |
| 5 | William R. Harmon | 45 | Head | Clerk | Canada-Eng |
| 6 | Mabel Harmon | 36 | Wife | — | Maine |
| 7 | Austin Harmon | 13 | Son | — | Maine |
| 8 | Wayne Harmon | 5 | Son | — | Maine |
| 9 | Ralph Wade | 35 | Head | Manager (Store) | Maine |
| 10 | Alice Wade | 33 | Wife | — | Canada |
| 11 | Lawrence Wade | 12 | Son | — | Maine |
| 12 | Philip Wade | 11 | Son | — | Maine |
| 13 | Ruth Wade | 7 | Dau | — | Maine |
| 14 | Winfield Keith | 74 | Head | — | Maine |
| 15 | Annie B. Keith | 72 | Wife | — | Maine |
| 16 | James R. Sprague | 32 | Head | Teamster | Canada-Eng |
| 17 | Lily Sprague | 39 | Wife | — | England |
| 18 | John D. Sprague | 26 | Son | Truck Driver | Canada-Eng |
| 19 | James C. Sprague | 9 | Son | — | Canada-Eng |
| 20 | Carlton L. Sprague | 4 | Grandson | — | Maine |
| 21 | Seneca Henderson | 74 | Head | — | Maine |
| 22 | Clara Henderson | 55 | Wife | — | Maine |
| 23 | James Henderson THIS PERSON | 27 | Son | Laborer | Maine |
| 24 | Alice Merritt | 25 | Lodger | — | Maine |
| 25 | Martha Bernard | 67 | Head | — | Nova Scotia |
| 26 | Melvin Bernard | 45 | Son | Laborer | Maine |
| 27 | Wallace Bernard | 42 | Son | Clerk (Store) | Massachusetts |
| 28 | Marion Christie | 34 | Dau | — | Massachusetts |
| 29 | Paul Christie | 13 | Grandson | — | Canada-Eng |
| 30 | Walter Lawless | 53 | Head | Foreman (Labor) | Maine |
| 31 | Mary Lawless | 40 | Wife | — | Maine |
| 32 | Ella Lawless | 8 | Dau | — | Maine |
| 33 | Pheobe Penlason | 60 | Head | — | Maine |
| 34 | Sealy Penlason | 20 | Son | Laborer | Maine |
| 35 | John S. King | 68 | Head | — | Maine |
| 36 | Annie M. King | 66 | Wife | — | Canada-Eng |
| 37 | Phyllis Norman | 34 | Dau | Shoe Worker | Maine |
| 38 | William Norman | 11 | Grandson | — | Maine |
| 39 | William O. Redding | 51 | Head | Foreman (Carpntr) | Maine |
| 40 | Hattie Redding | 49 | Wife | — | Maine |
Pedigree Summary
James
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)