JH
John Hogan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Essex-County, Massachusetts
Our Model Tree links this John Hogan across the 1920, 1930 and 1940 US Censuses in Essex-County, Massachusetts (XGBoost, ~Confirmed), with identified parents Edward & Alice — first a son (b.~1919), then head of a 7-person household.
Age 21
b. ~1919
Male
Son
Born: Massachusetts
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Essex-County, Massachusetts |
| Surname | Hogan |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Additional Details | |
| Highest Grade | C 3 |
| 1935 Residence | Same House |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Lawrence City |
| Est. Birth Year | ~1919 |
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.
7 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to John | Age | Birth yr |
|---|---|---|---|---|
| Clare Hogan | Daughter | — | 19 | ~1921 |
| Anna Hogan | Daughter | — | 18 | ~1922 |
| Mary Hogan | Daughter | — | 22 | ~1918 |
| Francis Hogan | Son | — | 12 | ~1928 |
| John Hogan | Son | — | 21 | ~1919 |
| Joseph Hogan | Son | — | 10 | ~1930 |
| Alice Hogan | Spouse | — | 51 | ~1889 |
Census Appearances
1920
Essex, Massachusetts
Son, age
Essex, Massachusetts · implied b. ~1920 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 0 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1930
Essex, Massachusetts
Son, age 10
Essex, Massachusetts · implied b. ~1920 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Hogan |
| Given Name | John F |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 10 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read/Write | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1940
Essex-County, Massachusetts
Son, age 21
Essex-County, Massachusetts · implied b. ~1919 — 7 household members
| Surname | Hogan |
| Given Name | John F. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| 1935 Residence (City) | Lawrence City |
| 1935 Residence (County) | Essex |
| Highest Grade | C 3 |
| 1935 Residence | Same House |
| 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 John Hogan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Edward Hogan (~0.92 confidence) and mother Alice Hogan (~0.92 confidence) and mother Nellie Hogan (~0.92 confidence) and mother Helen Hogan (~0.92 confidence) and father Edward Hogan (~0.92 confidence). The pedigree spans 1 generation with 5 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Edward Hogan
b. ~1874
Source father
● Household
· direct · ~0.92
Mother
Alice Hogan
b. ~1889
Source mother
● Household
· direct · ~0.92
Mother
Nellie Hogan
b. ~1893
Source mother
● Household
· direct · ~0.92
Mother
Helen Hogan
b. ~1893
Source mother
● Household
· direct · ~0.92
Father
Edward Hogan
b. ~1896
Source father
● Household
· direct · ~0.92
This person
Anchor record
John Hogan
Son · 1940 · age 21 · b. ~1919 · Massachusetts
★ You are viewing this record
Sibling
Mary Hogan
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Anna Hogan
Sibling · 1940 · age 18
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Joseph Hogan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Francis Hogan
Sibling · 1940 · age 12
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clare Hogan
Sibling · 1940 · age 19
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 — Essex-County, Massachusetts
Open full size
1940 US Federal Census — Essex-County, Massachusetts
Page Contents
24 people indexed on this census page (nara:1940:m-t0627-01583-00959)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Alice C Hogan | 51 | Wife | — | Massachusetts |
| 42 | Mary A. Hogan | 22 | Daughter | — | Massachusetts |
| 43 | John F. Hogan THIS PERSON | 21 | Son | — | Massachusetts |
| 44 | Clare A. Hogan | 19 | Daughter | Clerk | Massachusetts |
| 45 | Anna B Hogan | 18 | Daughter | — | Massachusetts |
| 46 | Francis J. Jr. Hogan | 12 | Son | — | Massachusetts |
| 47 | Joseph Hogan | 10 | Son | — | Massachusetts |
| 48 | Isaac Hershfield | 50 | Head | Storekeeper | Russia |
| 49 | Mollie Hershfield | 43 | Wife | — | Russia |
| 50 | Carl Hershfield | 16 | Son | — | Massachusetts |
| 51 | Sylvia Hershfield | 8 | Daughter | — | Massachusetts |
| 52 | Winifred Murphy | 68 | Head | — | Massachusetts |
| 53 | Grace G. Murphy | 38 | Daughter | Teacher | Massachusetts |
| 54 | Sara Curran | 63 | Sister | — | Massachusetts |
| 55 | Benjamin Cohen | 57 | Head | Jeweler | Russia |
| 56 | Mildred Cohen | 43 | Wife | — | Massachusetts |
| 57 | Richard Cohen | 17 | Son | — | Massachusetts |
| 58 | Herbert Cohen | 15 | Son | — | Massachusetts |
| 59 | Howard Cohen | 13 | Son | — | Massachusetts |
| 60 | Joseph Bishop | 54 | Head | Policeman | Massachusetts |
| 61 | Mary A. G. Bishop | 51 | Wife | — | Massachusetts |
| 62 | Joseph Jr. Bishop | 20 | Son | — | Massachusetts |
| 63 | Milton Head Hainsworth | 53 | Head | Clerk | Massachusetts |
| 64 | Alice Hainsworth | 53 | Wife | — | Massachusetts |
Pedigree Summary
John + 5 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)