MC
Martha Cooper — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Monmouth-County, New Jersey
Our Model Tree links this Martha Cooper across the 1900, 1910, 1920, 1930 and 1940 US Censuses in Monmouth-County, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1874), then head of a 4-person household.
Age 66
b. ~1874
Female
Spouse
Born: New Jersey
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Monmouth-County, New Jersey |
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Manalapan |
| 1935 Residence (County) | Monmouth |
| Additional Details | |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Manalapan |
| Est. Birth Year | ~1874 |
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 Martha | Age | Birth yr |
|---|---|---|---|---|
| Henry Cooper | Head | — | 72 | ~1868 |
| Victorine Cooper | Daughter | — | 41 | ~1899 |
| Martha Cooper | Spouse | — | 66 | ~1874 |
| Arthur Cooper | Other | — | 41 | ~1899 |
Census Appearances
1900
Monmouth, New …
Spouse, age 25
Monmouth, New Jersey · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 24 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Year | 1875 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Monmouth, New …
Spouse, age 36
Monmouth, New Jersey · implied b. ~1874 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha J |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 14 |
| Children Born | 2 |
| Children Living | 2 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Seamstress |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Monmouth, New …
Spouse, age 45
Monmouth, New Jersey · implied b. ~1875 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha B. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 45 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | England |
| Mother's Birthplace | New Jersey |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1930
Monmouth, New …
Spouse, age 56
Monmouth, New Jersey · implied b. ~1874 — 37 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 56 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 22 |
| Father's Birthplace | England |
| Mother's Birthplace | England |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Monmouth-County, New …
Spouse, age 66
Monmouth-County, New Jersey · implied b. ~1874 — 4 household members
| Surname | Cooper |
| Given Name | Martha |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 66 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 1935 Residence (City) | Manalapan |
| 1935 Residence (County) | Monmouth |
| Class of Worker | 0 |
| Highest Grade | No 8 |
| 1935 Residence | Same House |
| 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 Martha Cooper across 5 US Census years (1900, 1910, 1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Martha Cooper
Spouse · 1940 · age 66 · b. ~1874 · New Jersey
★ 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 — Monmouth-County, New Jersey
Open full size
1940 US Federal Census — Monmouth-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02367-00533)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | William Reed | 26 | Son | Farmer | New Jersey |
| 2 | Jane Reed | 21 | Daughter | — | New Jersey |
| 3 | Alexander Sweeden | 52 | Head | — | New York |
| 4 | Mary Sweeden | 54 | Wife | — | New York |
| 5 | Mary Weinhardt | 80 | Mother-in-law | — | New York |
| 6 | Harold Ely | 46 | Head | Supt. Roads | New Jersey |
| 7 | Edith Ely | 44 | Wife | — | New Jersey |
| 8 | Martin Van Sielen | 53 | Head | Laborer | New York |
| 9 | Mary Van Sielen | 53 | Wife | Teacher | New York |
| 10 | Ruth Van Sielen | 24 | Daughter | Teacher | New York |
| 11 | Dorothy Van Sielen | 24 | Daughter | Dental Assistant | New Jersey |
| 12 | John Amberman | 85 | Head | — | New York |
| 13 | Sarah Amberman | 83 | Wife | — | New York |
| 14 | Henry Cooper | 72 | Head | — | New Jersey |
| 15 | Martha Cooper THIS PERSON | 66 | Wife | — | New Jersey |
| 16 | Victorine Cooper | 41 | Daughter | — | New Jersey |
| 17 | Arthur Cooper | 41 | Son-in-law | Fire Warden | New Jersey |
| 18 | Howard Saemons | 43 | Head | Farmer | New York |
| 19 | Henrietta Robbins | 68 | Aunt | — | New York |
| 20 | William Moore | 38 | Head | Farmer | New Jersey |
| 21 | Robert Moore | 72 | Father | — | England |
| 22 | Robert Jr. Moore | 45 | Brother | Gardner | England |
| 23 | Ella Moore | 42 | Sister-in-law | — | New Jersey |
| 24 | Helen Moore | 21 | Niece | — | New Jersey |
| 25 | Edward Moore | 20 | Nephew | Mechanic | New Jersey |
| 26 | James Moore | 17 | Nephew | — | New Jersey |
| 27 | Robert Moore | 13 | Nephew | — | New Jersey |
| 28 | Harold Moore | 13 | Nephew | — | New Jersey |
| 29 | William Chambers | 52 | Head | Laborer | Virginia |
| 30 | Betty Chambers | 49 | Wife | — | Virginia |
| 31 | Rozelle Chambers | 26 | Daughter | — | Maryland |
| 32 | Elizabeth Chambers | 24 | Daughter | Laborer | Maryland |
| 33 | Victor Chambers | 16 | Son | New Worker | Maryland |
| 34 | Virginia Chambers | 15 | Daughter | — | Maryland |
| 35 | Roland Chambers | 13 | Son | — | Maryland |
| 36 | Carlton Conover | 28 | Head | Truck Driver | New Jersey |
| 37 | Margery Conover | 29 | Wife | Teacher | New Jersey |
| 38 | Albert Moore | 36 | Head | Farmer | New Jersey |
| 39 | Elizabeth Moore | 32 | Wife | — | Pennsylvania |
| 40 | Mary Bennett | 76 | Wife | — | New Hampshire |
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)