JC
John Chase — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Chase across the 1910, 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents John & John — first a head (b.~1894), then head of a 6-person household.
Age 46
b. ~1894
Male
Head
Born: New Hampshire
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Chase |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Seabrook |
| 1935 Residence (County) | Rockingham |
| Additional Details | |
| Occupation | Track Man |
| Industry | B-M Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 884 |
| Highest Grade | H 4 |
| 1935 Residence | New Hampshire |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Track Man |
| Township / Ward | East Salisbury |
| Est. Birth Year | ~1894 |
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.
6 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Ruth Chase | Spouse | — | 34 | ~1906 |
| John Chase | Son | — | 3 | ~1937 |
| Sarah Chase | Daughter | — | 15 | ~1925 |
| Pauline Chase | Daughter | — | 13 | ~1927 |
| Hazel Chase | Daughter | — | 8 | ~1932 |
| John Chase | Head | — | 46 | ~1894 |
Census Appearances
1910
Rockingham, New …
Son, age 16
Rockingham, New Hampshire · implied b. ~1894 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | John W. S. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 16 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Rockingham, New …
Son, age 26
Rockingham, New Hampshire · implied b. ~1894 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | John W |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 26 |
| Marital Status | Single |
| Birthplace | New Hampshire |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | Massachusetts |
| Occupation | Teamster |
| Industry | Working Out |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1930
Rockingham, New …
Head, age 35
Rockingham, New Hampshire · implied b. ~1895 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Chase |
| Given Name | John H Jr |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Age at First Marriage | 23 |
| Father's Birthplace | New Hampshire |
| Mother's Birthplace | New Hampshire |
| Occupation | Brakeman |
| Industry | Steam Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 10 |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1940
Essex-County, Massachusetts
Head, age 46
Essex-County, Massachusetts · implied b. ~1894 — 6 household members
| Surname | Chase |
| Given Name | John H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| 1935 Residence (City) | Seabrook |
| 1935 Residence (County) | Rockingham |
| Occupation | Track Man |
| Industry | B-M Railroad |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 884 |
| Highest Grade | H 4 |
| 1935 Residence | New Hampshire |
| 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 Chase across 4 US Census years (1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father John Chase (~0.92 confidence) and father John Chase (~0.92 confidence) and mother Emma Chase (~0.92 confidence) and mother Emma Chase (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
John Chase
b. ~1865
Source father
● Household
· direct · ~0.92
Father
John Chase
b. ~1863
Source father
● Household
· direct · ~0.92
Mother
Emma Chase
b. ~1869
Source mother
● Household
· direct · ~0.92
Mother
Emma Chase
b. ~1864
Source mother
● Household
· direct · ~0.92
This person
Anchor record
John Chase
Head · 1940 · age 46 · b. ~1894 · Massachusetts
★ 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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01590-00028)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Mary M. Frost | 14 | Daughter | — | Massachusetts |
| 42 | John H. Chase THIS PERSON | 46 | Head | Track Man | New Hampshire |
| 43 | Ruth E. D. Chase | 34 | Wife | — | Massachusetts |
| 44 | Sarah F. Chase | 15 | Daughter | — | New Hampshire |
| 45 | Pauline E. Chase | 13 | Daughter | — | New Hampshire |
| 46 | Hazel M. J. Chase | 8 | Daughter | — | New Hampshire |
| 47 | John H. S. Chase | 3 | Son | — | New Hampshire |
| 48 | Enoch E. Lawyer | 56 | Head | Foreman | Massachusetts |
| 49 | Ethel B. Lawyer | 48 | Wife | — | New Hampshire |
| 50 | Ruth A. Walsh | 48 | Head | — | Massachusetts |
| 51 | Herbert W. Taylor | 45 | Boarder | Road Surveyor | Massachusetts |
| 52 | Herbert H. Rollins | 69 | Head | — | New Hampshire |
| 53 | Esther E. Rollins | 61 | Wife | — | Massachusetts |
| 54 | Beatrice A. Rollins | 37 | Daughter | Stenographer | Massachusetts |
| 55 | Easton A. Taylor | 45 | Head | Oil Dealer | Massachusetts |
| 56 | Carolina Taylor | 35 | Wife | — | Massachusetts |
| 57 | Easton A. Jr. Taylor | 14 | Son | — | Massachusetts |
| 58 | Arthur W. Taylor | 12 | Son | — | Massachusetts |
| 59 | Arthur H. Fowler | 68 | Father in law | Woodheeler | New Hampshire |
| 60 | Addie B. Taylor | 75 | Mother | — | Massachusetts |
| 61 | William D. Hunt | 30 | Head | Laborer | Massachusetts |
| 62 | Margaret M. Hunt | 23 | Wife | Stitcher | Massachusetts |
| 63 | Fred M. Brous | 43 | Head | Truck Driver | Vermont |
| 64 | Bessie F. Brous | 38 | Wife | — | Massachusetts |
| 65 | Arline M. Brous | 3 | Daughter | — | Massachusetts |
| 66 | Nellie Moody | 71 | Head | — | Massachusetts |
| 67 | Jessie Moody | 36 | Daughter | Coverer | Massachusetts |
| 68 | Otis Morrill | 35 | Head | Polisher | Massachusetts |
| 69 | Fred W. Twombly | 50 | Head | Stockfitter | Massachusetts |
| 70 | Ruth D. Twombly | 49 | Wife | — | New Hampshire |
| 71 | Martin F. Twombly | 19 | Son | Truck Driver | Massachusetts |
| 72 | Fred J. Jr. Twombly | 17 | Son | — | Massachusetts |
| 73 | Barbara N. Twombly | 11 | Daughter | — | Massachusetts |
| 74 | Goldie Proctor | 38 | Sister in law | Waitress | Massachusetts |
| 75 | Fred C. Knowles | 43 | Head | Civil Engineer | New Hampshire |
| 76 | Martha C. Knowles | 35 | Wife | — | Massachusetts |
| 77 | Delma C. Knowles | 12 | Daughter | — | Massachusetts |
| 78 | Carroll H. Knowles | 10 | Daughter | — | Massachusetts |
| 79 | Emma Pipes | 73 | Mother in law | — | Maine |
| 80 | Mary H. Brown | 80 | Head | — | New Hampshire |
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)