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Mary Blackwell — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Mary Blackwell across the 1900, 1910 and 1920 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1867), then head of a 5-person household.
Age 53
b. ~1867
Female
Spouse
Born: New Jersey
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mercer, New Jersey |
| Surname | Blackwell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Part Of Hopewell Twp |
| Est. Birth Year | ~1867 |
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 1920 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Leon Blackwell | Other | — | 14 | ~1906 |
| Edwin Blackwell | Head | — | 50 | ~1870 |
| Beatrice Blackwell | Daughter | — | 16 | ~1904 |
| Earl Blackwell | Son | — | 14 | ~1906 |
| Mary Blackwell | Spouse | — | 53 | ~1867 |
Census Appearances
1900
Mercer, New …
Spouse, age 35
Mercer, New Jersey · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | Mary E |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | Black |
| Age | 34 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Month | May |
| Birth Year | 1865 |
| 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
Mercer, New …
Spouse, age 42
Mercer, New Jersey · implied b. ~1868 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Blackwell |
| Given Name | Mary D. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 20 |
| Children Born | 0 |
| Children Living | 0 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Mercer, New …
Spouse, age 53
Mercer, New Jersey · implied b. ~1867 — 5 household members
| Surname | Blackwell |
| Given Name | Mary E. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 53 |
| Marital Status | Married |
| Birthplace | New Jersey |
| 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 |
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 Blackwell across 3 US Census years (1900, 1910 and 1920) in Mercer, New Jersey, using XGBoost record linkage.
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This person
Anchor record
Mary Blackwell
Spouse · 1920 · age 53 · b. ~1867 · New Jersey
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Mercer, New Jersey
Open full size
1920 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1053unit:0663)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Jacob Higley | 21 | Son | Machinist | New Jersey |
| 2 | Hazel Higley | 17 | Daughter | — | New Jersey |
| 3 | Lester Higley | 15 | Son | — | New Jersey |
| 4 | Edwin Blackwell | 50 | Head | Laborer | New Jersey |
| 5 | Mary E. Blackwell THIS PERSON | 53 | Wife | — | New Jersey |
| 6 | Beatrice Blackwell | 16 | Daughter | — | New Jersey |
| 7 | Earl R. Blackwell | 14 | Son | — | New Jersey |
| 8 | Leon S. Blackwell | 14 | Nephew | — | New Jersey |
| 9 | Alex G. Laimbeer | 42 | Head | Operator | New Jersey |
| 10 | Mary L. Laimbeer | 42 | Wife | — | Pennsylvania |
| 11 | Anna S. Laimbeer | 12 | Daughter | — | New Jersey |
| 12 | Edw. G. Jr. Laimbeer | 8 | Son | — | New Jersey |
| 13 | Raymond B. Agnew | 44 | Head | Manufacturer | New Jersey |
| 14 | Ella R. Agnew | 42 | Wife | — | New Jersey |
| 15 | Helen R. Agnew | 17 | Daughter | — | New Jersey |
| 16 | Mary A. Agnew | 15 | Daughter | — | New Jersey |
| 17 | Josephine Agnew | 9 | Daughter | — | New Jersey |
| 18 | Austin Crosley | 46 | Boarder | Asst. Treas. | New Jersey |
| 19 | Eleanor S. Crosley | 48 | Boarder | — | New Jersey |
| 20 | Samuel S. Crosley | 14 | Boarder | — | New Jersey |
| 21 | Emily A. Crosley | 13 | Boarder | — | New Jersey |
| 22 | Janet E. Crosley | 6 | Boarder | — | New Jersey |
| 23 | Isabelle Smith | 68 | Servant | Servant | Ireland |
| 24 | Theo. S. Bursh | 48 | Head | Farmer | New Jersey |
| 25 | Carrie H. Bursh | 43 | Wife | — | New Hampshire |
| 26 | Theo. Bursh | 12 | Son | — | New Jersey |
| 27 | Donald S. Bursh | 11 | Son | — | New Jersey |
| 28 | Geo. W. Bursh | 8 | Son | — | New Jersey |
| 29 | Maxwell Simpson | 63 | Head | Physician | Ohio |
| 30 | Lester Hallenburg | 30 | Head | Receiving Clk. | New Jersey |
| 31 | Bertha Hallenburg | 27 | Wife | — | New Jersey |
| 32 | Walter H. Hallenburg | 5 | Son | — | New Jersey |
| 33 | Alma F. Hallenburg | 3 | Daughter | — | New Jersey |
| 34 | James Bennel | 28 | Head | Engineer | New York |
| 35 | Ida L. Bennel | 26 | Wife | — | Washington |
| 36 | Wellington Stout | 55 | Head | Clerk | New Jersey |
| 37 | Ida M. Stout | 42 | Wife | — | New Jersey |
| 38 | Alice F. Stout | 10 | Daughter | — | New Jersey |
| 39 | Mary F. Titus | 45 | Head | Principal | New Jersey |
| 40 | Rachel P. Titus | 58 | Sister | — | New Jersey |
| 41 | Harry H. Swift | 53 | Head | Operator | New Jersey |
| 42 | Ella M. Swift | 49 | Wife | — | New Jersey |
| 43 | Thelma R. Swift | 24 | Daughter | — | New Jersey |
| 44 | Harry H. Jr. Swift | 22 | Son | Wire Tester | New Jersey |
| 45 | Harry L. Swift | 20 | Son | Casting | New Jersey |
| 46 | Albert Burroughs | 83 | Head | — | New Jersey |
| 47 | Harry Cook | 33 | Head | Electrician | New Jersey |
| 48 | Nellie M. Cook | 33 | Wife | — | New Jersey |
| 49 | Nelson Cook | 7 | Son | — | New Jersey |
| 50 | Wayne P. Cook | 4 | Son | — | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1920 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)