HL
Helen Lynch — 1940 US Census Record
Model Tree available1940 United States Federal Census · Hudson-County, New Jersey
Our Model Tree links this Helen Lynch across the 1920, 1930 and 1940 US Censuses in Hudson-County, New Jersey (XGBoost, ~Confirmed), with identified parents Patrick & Ellen — first a daughter (b.~1911), then head of a 4-person household.
Age 29
b. ~1911
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Hudson-County, New Jersey |
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Additional Details | |
| Occupation | Sec. |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Sec. |
| Township / Ward | Jersey City |
| Est. Birth Year | ~1911 |
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 Helen | Age | Birth yr |
|---|---|---|---|---|
| Helen Lynch | Daughter | — | 29 | ~1911 |
| Margaret Lynch | Daughter | — | 35 | ~1905 |
| Ellen Lynch | Spouse | — | 65 | ~1875 |
| Patrick Lynch | Head | — | 75 | ~1865 |
Census Appearances
1920
Hudson, New …
Daughter, age 8
Hudson, New Jersey · implied b. ~1912 — 11 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | School |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Hudson, New …
Daughter, age 19
Hudson, New Jersey · implied b. ~1911 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 19 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | New York |
| Mother's Birthplace | New York |
| Occupation | Finisher |
| Industry | Pencil Factory |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Hudson-County, New …
Daughter, age 29
Hudson-County, New Jersey · implied b. ~1911 — 4 household members
| Surname | Lynch |
| Given Name | Helen |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Jersey City |
| 1935 Residence (County) | Hudson |
| Occupation | Sec. |
| Industry | Bank |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 1040 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
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 Helen Lynch across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Patrick Lynch (~0.92 confidence) and mother Ellen Lynch (~0.92 confidence) and mother Mary Lynch (~0.92 confidence). The pedigree spans 1 generation with 3 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Patrick Lynch
b. ~1865
Source father
● Household
· direct · ~0.92
Mother
Ellen Lynch
b. ~1875
Source mother
● Household
· direct · ~0.92
Mother
Mary Lynch
b. ~1880
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Helen Lynch
Daughter · 1940 · age 29 · b. ~1911 · New Jersey
★ You are viewing this record
Sibling
Margaret Lynch
Sibling · 1940 · age 35
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 — Hudson-County, New Jersey
Open full size
1940 US Federal Census — Hudson-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02407-00541)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | John S. Dimsey | 77 | Head | Engineer | New York |
| 42 | Libbie Dimsey | 75 | Wife | — | New York |
| 43 | William E. Miller | 57 | Head | Office Manager | New Jersey |
| 44 | Sarah P. Miller | 57 | Wife | — | England |
| 45 | Louise Rapp | 72 | Aunt | Office Work | New Jersey |
| 46 | Thomas Dundon | 74 | Head | Retired | Ireland |
| 47 | Maria E. Dundon | 69 | Wife | — | Ireland |
| 48 | Edward Dundon | 47 | Son | Police Lieutenant | New Jersey |
| 49 | Mary Dundon | 7 | Granddaughter | — | New Jersey |
| 50 | Thomas E. Carroll | 38 | Head | Clerk | New Jersey |
| 51 | Lillian Carroll | 39 | Wife | Accounting | New Jersey |
| 52 | Joseph Romanchuk | 30 | Head | Instructor | Staten Island |
| 53 | Helen R. Romanchuk | 27 | Wife | Waitress | New Jersey |
| 54 | Eleanor Romanchuk | 3 | daughter | — | New Jersey |
| 55 | Elizabeth Smith | 27 | Sister-in-law | Clerk | New York |
| 56 | John Kelly | 48 | Head | Laborer | Ireland |
| 57 | Mary Kelly | 43 | Wife | — | Ireland |
| 58 | Mary Kelly | 15 | daughter | — | New Jersey |
| 59 | Veronica Kelly | 12 | daughter | — | New Jersey |
| 60 | Edward Rapp | 25 | Lodger | Laborer | New Jersey |
| 61 | George Ranger | 36 | Lodger | Laborer | Mass. |
| 62 | Anthony Loftus | 35 | Lodger | Laborer | Ireland |
| 63 | Michael Kelly | 40 | Lodger | Laborer | Ireland |
| 64 | Michael Cannon | 58 | Head | Dock Laborer | Ireland |
| 65 | Rose Cannon | 54 | Wife | — | Ireland |
| 66 | Thomas Cannon | 32 | Son | Stenographer | New Jersey |
| 67 | Rose Cannon | 27 | daughter | Nr Teacher | New Jersey |
| 68 | Harry Marenus | 41 | Head | Letter Carrier | New Jersey |
| 69 | Claire Marenus | 40 | Wife | — | New Jersey |
| 70 | Hilda Marenus | 15 | daughter | — | New Jersey |
| 71 | Nellie Kennyson | 58 | Lodger | Laundress | New Jersey |
| 72 | William Nichols | 28 | Lodger | Truck Driver | New Jersey |
| 73 | Raymond Nichols | 22 | Lodger | Truck Driver | New Jersey |
| 74 | Frank Petruzzi | 30 | Lodger | Painter | New Jersey |
| 75 | Patrick Lynch | 75 | Head | Retired | Ireland |
| 76 | Ellen Lynch | 65 | Wife | — | Ireland |
| 77 | Margaret Lynch | 35 | daughter | Teacher | New Jersey |
| 78 | Helen Lynch THIS PERSON | 29 | daughter | Sec. | New Jersey |
| 79 | Cora Cassaday | 65 | Head | — | Pa. |
| 80 | George L. Cassaday | 64 | Head | Locomotive Engineer | New Jersey |
Pedigree Summary
Helen + 1 sibling
Gen 1 · 3 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)