KM
Katherine Martin — 1940 US Census Record
Model Tree available1940 United States Federal Census · Passaic-County, New Jersey
Our Model Tree links this Katherine Martin across the 1920, 1930 and 1940 US Censuses in Passaic-County, New Jersey (XGBoost, ~Confirmed), with identified parents Michael & Michael — first a daughter (b.~1913), then head of a 5-person household.
Age 27
b. ~1913
Female
Daughter
Born: New Jersey
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Passaic-County, New Jersey |
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson City |
| 1935 Residence (County) | Passaic |
| Additional Details | |
| Occupation | Stenographer |
| Industry | Private Office |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 0 |
| Highest Grade | Hs 4 |
| 1935 Residence | Same Place |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Stenographer |
| Township / Ward | Paterson 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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Katherine | Age | Birth yr |
|---|---|---|---|---|
| Michael Martin | Head | — | 60 | ~1880 |
| Katherine Martin | Daughter | — | 27 | ~1913 |
| Bernard Martin | Son | — | 30 | ~1910 |
| Margaret Martin | Daughter | — | 33 | ~1907 |
| Clara Martin | Daughter | — | 22 | ~1918 |
Census Appearances
1920
Passaic, New …
Daughter, age 7
Passaic, New Jersey · implied b. ~1913 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 7 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Passaic, New …
Daughter, age 17
Passaic, New Jersey · implied b. ~1913 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | Daughter |
| Sex | F |
| Color / Race | White |
| Age | 17 |
| Marital Status | Single |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | New Jersey |
| Occupation | Stenographer |
| Industry | Dye House |
| Class of Worker | W |
| Can Read/Write | Yes |
| Veteran | No |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Passaic-County, New …
Daughter, age 27
Passaic-County, New Jersey · implied b. ~1913 — 5 household members
| Surname | Martin |
| Given Name | Katherine |
| Relationship to Head | daughter |
| Sex | F |
| Color / Race | White |
| Age | 27 |
| Marital Status | Single |
| Birthplace | New Jersey |
| 1935 Residence (City) | Paterson City |
| 1935 Residence (County) | Passaic |
| Occupation | Stenographer |
| Industry | Private Office |
| Class of Worker | PW |
| Hours Worked | 36 |
| Income (1939) | 0 |
| 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 Katherine Martin across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: father Michael Martin (~0.92 confidence) and father Michael Martin (~0.92 confidence) and father Michael Martin (~0.92 confidence) and mother Margaret Martin (~0.92 confidence). The pedigree spans 1 generation with 4 identified ancestors.
Show:
Gen 1
Parents
confidence ≈ 0.92
Father
Michael Martin
b. ~1880
Source father
● Household
· direct · ~0.92
Father
Michael Martin
b. ~1876
Source father
● Household
· direct · ~0.92
Father
Michael Martin
b. ~1879
Source father
● Household
· direct · ~0.92
Mother
Margaret Martin
b. ~1879
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Katherine Martin
Daughter · 1940 · age 27 · b. ~1913 · New Jersey
★ You are viewing this record
Sibling
Bernard Martin
Sibling · 1940 · age 30
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Clara Martin
Sibling · 1940 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Martin
Sibling · 1940 · age 33
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 — Passaic-County, New Jersey
Open full size
1940 US Federal Census — Passaic-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02432-00792)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Josephine Vasile | 39 | wife | Dressmaker | Italy |
| 42 | Mary Vasile | 19 | daughter | Musician | New Jersey |
| 43 | Rose Fumin | 73 | head | — | Italy |
| 44 | Frank S. Moon | 46 | head | Police Sergeant | New Jersey |
| 45 | Isabell Moon | 46 | wife | — | New Jersey |
| 46 | Gertrude Moon | 23 | daughter | Nurse | New Jersey |
| 47 | Richard Moon | 21 | son | New Worker | New Jersey |
| 48 | Edward Moon | 19 | son | Clerk | New Jersey |
| 49 | Laura Moore | 34 | boarder | Maid | Penn |
| 50 | Edward Moore | 14 | boarder | — | New Jersey |
| 51 | Marion Moore | 14 | boarder | — | New Jersey |
| 52 | Anna Mae Moore | 7 | boarder | — | New Jersey |
| 53 | Arthur Gerhard | 32 | brother | Watchman | New Jersey |
| 54 | John Mchugh | 49 | head | Watchman | New Jersey |
| 55 | Alice Mchugh | 55 | wife | — | New Jersey |
| 56 | John Mchugh | 19 | son | Electrician Aid | New Jersey |
| 57 | Anna Mchugh | 17 | daughter | — | New Jersey |
| 58 | Frank De Stefano | 40 | head | Laundryman | New York |
| 59 | Gertrude De Stefano | 40 | wife | — | New Jersey |
| 60 | James De Stefano | 12 | son | — | New Jersey |
| 61 | Mary De Stefano | 9 | daughter | — | New Jersey |
| 62 | Anna Quigley | 75 | mother-in-law | — | New Jersey |
| 63 | Mae Brodsky | 48 | sister-in-law | Houseworker | New Jersey |
| 64 | David Drummond | 69 | head | Time Keeper | Scotland |
| 65 | Mary Drummond | 33 | daughter | Clerk | New Jersey |
| 66 | Betty Drummond | 26 | daughter | Salesgirl | New Jersey |
| 67 | Richard Thompson | 58 | head | — | New Jersey |
| 68 | Richard Thompson | 30 | son | File Clerk | New Jersey |
| 69 | James Thompson | 27 | son | Clerk | New Jersey |
| 70 | Michael Martin | 60 | head | Dyer | Eire |
| 71 | Margaret Martin | 33 | daughter | Nurse | New Jersey |
| 72 | Bernard Martin | 30 | son | Clerk | New Jersey |
| 73 | Katherine Martin THIS PERSON | 27 | daughter | Stenographer | New Jersey |
| 74 | Clara Martin | 22 | daughter | Secretary | New Jersey |
| 75 | John Myers | 57 | head | Dyer | New Jersey |
| 76 | Dorothy Myers | 31 | wife | — | New Jersey |
| 77 | Arlene Myers | 11 | daughter | — | New Jersey |
| 78 | John Myers | 7 | son | — | New Jersey |
| 79 | Robert Kelly | 48 | head | Conductor | New Jersey |
| 80 | Loretta Kelly | 52 | wife | Teacher | New Jersey |
Related Census Records
Pedigree Summary
Katherine + 3 siblings
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)