MF
Mary Ferguson — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Mercer-County, New Jersey
Our Model Tree links this Mary Ferguson across the 1920, 1930 and 1940 US Censuses in Mercer-County, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1890), then head of a 6-person household.
Age 50
b. ~1890
Female
Head
Born: New Jersey
Widowed
1940 Census Record Details
| Census Year | 1940 |
| Location | Mercer-County, New Jersey |
| Surname | Ferguson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| 1935 Residence (City) | Atlantic City |
| 1935 Residence (County) | Atlantic |
| Additional Details | |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1890 |
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 Mary | Age | Birth yr |
|---|---|---|---|---|
| Jean Ferguson | Daughter | — | 23 | ~1917 |
| Helen Ferguson | Daughter | — | 17 | ~1923 |
| Kathleen Ferguson | Daughter | — | 19 | ~1921 |
| Mary Ferguson | Head | — | 50 | ~1890 |
| Catharine Harkness | Other | — | 73 | ~1867 |
| Catharine Quinn | Other | — | 29 | ~1911 |
Census Appearances
1920
Mercer, New …
Spouse, age 30
Mercer, New Jersey · implied b. ~1890 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | Mary V |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 30 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| 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
Mercer, New …
Spouse, age 40
Mercer, New Jersey · implied b. ~1890 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Ferguson |
| Given Name | Mary F. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 40 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 22 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1940
Mercer-County, New …
Head, age 50
Mercer-County, New Jersey · implied b. ~1890 — 6 household members
| Surname | Ferguson |
| Given Name | Mary |
| Relationship to Head | Head |
| Sex | F |
| Color / Race | White |
| Age | 50 |
| Marital Status | Widowed |
| Birthplace | New Jersey |
| 1935 Residence (City) | Atlantic City |
| 1935 Residence (County) | Atlantic |
| Highest Grade | Hs 4 |
| 1935 Residence | New Jersey |
| 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 Mary Ferguson across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Ferguson
Head · 1940 · age 50 · b. ~1890 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Mercer-County, New Jersey
Open full size
1940 US Federal Census — Mercer-County, New Jersey
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02437-00125)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Robert Binner | 7 | Son | — | Pennsylvania |
| 2 | Richard Binner | 4 | Son | — | New Jersey |
| 3 | Howard Outcalt | 70 | Head | Estimator | New Jersey |
| 4 | Mary Outcalt | 69 | Wife | — | New Jersey |
| 5 | Walter B. Allen | 52 | Head | Druggist | New Jersey |
| 6 | Rita D. Allen | 53 | Wife | — | New Jersey |
| 7 | Doris Louise Allen | 17 | Daughter | — | New Jersey |
| 8 | Robert Mellor | 65 | Head | Printer | England |
| 9 | Aida Mellor | 54 | Wife | — | New Jersey |
| 10 | Thomas R. Mellor | 27 | Son | Folding Copy | New Jersey |
| 11 | Arthur Mellor | 21 | Son | Office Boy | New Jersey |
| 12 | Aida Mellor | 16 | Daughter | — | New Jersey |
| 13 | Robert Jr. Mellor | 9 | Son | — | New Jersey |
| 14 | Charles Mudd | 25 | Head | Chemist | New Jersey |
| 15 | Doris Mudd | 25 | Wife | — | New York |
| 16 | Barbara J. Mudd | 2 | Daughter | — | New Jersey |
| 17 | Edward E. Wisener | 62 | Head | Railroad Engineer | Pennsylvania |
| 18 | Nellie S. Wisener | 63 | Wife | — | New Jersey |
| 19 | Henry Millner | 52 | Head | Ins. Agent | Russia |
| 20 | Lilian Millner | 42 | Wife | Deputy Marshall | New Jersey |
| 21 | Helen R. Millner | 23 | Daughter | — | New Jersey |
| 22 | Stanley C. Millner | 20 | Son | — | New Jersey |
| 23 | Leonard Millner | 14 | Son | — | New Jersey |
| 24 | Rita Millner | 10 | Daughter | — | New Jersey |
| 25 | Walter Parker | 57 | Head | Trainman | New Jersey |
| 26 | Elizabeth K. Parker | 57 | Wife | — | Pennsylvania |
| 27 | Valerie Parker | 34 | Son | — | New Jersey |
| 28 | Catharine Parker | 33 | Daughter | — | New Jersey |
| 29 | Mary Ferguson THIS PERSON | 50 | Head | — | New Jersey |
| 30 | Jean Ferguson | 23 | Daughter | District Clerk | New Jersey |
| 31 | Kathleen Ferguson | 19 | Daughter | Typist | New Jersey |
| 32 | Helen Ferguson | 17 | Daughter | — | New Jersey |
| 33 | Catharine Quinn | 29 | Sister | Stenographer | New Jersey |
| 34 | Catharine Harkness | 73 | Aunt | — | Ireland |
| 35 | Anthony J. Ludwig | 37 | Head | Musician | New Jersey |
| 36 | Julia H. Ludwig | 35 | Wife | — | New Jersey |
| 37 | Constance Ludwig | 15 | Daughter | — | New Jersey |
| 38 | Doris M. Ludwig | 14 | Daughter | — | New Jersey |
| 39 | Francis A. Ludwig | 12 | Son | — | New Jersey |
| 40 | Rita M. Ludwig | 10 | Daughter | — | New Jersey |
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)