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Mary Mccoy — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Mary Mccoy across the 1910, 1920 and 1930 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed) — first a spouse (b.~1881), then head of a 6-person household.
Age 49
b. ~1881
Female
Spouse
Born: New Jersey
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Mercer, New Jersey |
| Surname | McCoy |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 22 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Township / Ward | Pennington Boro |
| Est. Birth Year | ~1881 |
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 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Lois Samby | Daughter | — | 1 | ~1929 |
| Charles Mccoy | Head | — | 54 | ~1876 |
| Stanford Samby | Other | — | 27 | ~1903 |
| Charles Mccoy | Son | — | 14 | ~1916 |
| Margaret Samby | Spouse | — | 21 | ~1909 |
| Mary Mccoy | Spouse | — | 49 | ~1881 |
Census Appearances
1910
Mercer, New …
Spouse, age 29
Mercer, New Jersey · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | Mary A |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 29 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 8 |
| 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 39
Mercer, New Jersey · implied b. ~1881 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCoy |
| Given Name | Mary M |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 39 |
| 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 |
1930
Mercer, New …
Spouse, age 49
Mercer, New Jersey · implied b. ~1881 — 6 household members
| Surname | McCoy |
| Given Name | Mary A. |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Age at First Marriage | 22 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | none |
| Can Read/Write | 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 Mccoy across 3 US Census years (1910, 1920 and 1930) in Mercer, New Jersey, using XGBoost record linkage.
Show:
This person
Anchor record
Mary Mccoy
Spouse · 1930 · age 49 · b. ~1881 · New Jersey
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Mercer, New Jersey
Open full size
1930 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1930:newjerseycensus00reel1362:0727)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Hazel M. Ireland | 35 | — | None | Maine |
| 2 | Herbert A. Ireland | 10 | — | None | Massachusetts |
| 3 | Mary V. Ireland | 5 | — | None | Connecticut |
| 4 | Gregory A. Adlon | 58 | Head | Director Of Service | Germany |
| 5 | Kate L. Adlon | 56 | Wife | None | New York |
| 6 | Charles F. Mccoy | 54 | Head | President | New York |
| 7 | Mary A. Mccoy THIS PERSON | 49 | Wife | None | New Jersey |
| 8 | Charles F. Jr. Mccoy | 14 | Son | None | New Jersey |
| 9 | Stanford Samby | 27 | Chauffeur | Chauffeur | New Jersey |
| 10 | Margaret Samby | 21 | Wife | Servant | New Jersey |
| 11 | Lois Samby | 1 | Daughter | None | New Jersey |
| 12 | William H. Symington | 45 | Head | Commercial Traveler | Iowa |
| 13 | Luvera Symington | 42 | Wife | None | New Jersey |
| 14 | Kathryne Symington | 17 | Daughter | None | New Jersey |
| 15 | Theresa Symington | 14 | Daughter | None | New Jersey |
| 16 | John Rauchheimer | 43 | Boarder | Gardener | Pennsylvania |
| 17 | Charles H. Cooley | 59 | Head | Manufacturer | New Jersey |
| 18 | Frances P. Cooley | 59 | Wife | None | New Jersey |
| 19 | Charles F. Cooley | 18 | Son | None | New Jersey |
| 20 | Alexander Clarkson | 50 | Head | Commercial Traveler | New Jersey |
| 21 | Pauline V. Clarkson | 50 | Wife | None | Pennsylvania |
| 22 | John S. Allsop | 56 | Head | Retail Merchant | England |
| 23 | Gertrude E. Allsop | 55 | Wife | None | England |
| 24 | Elsie G. Allsop | 22 | Daughter | Stenographer | Pennsylvania |
| 25 | Florence Allsop | 20 | Son | Truckman | Pennsylvania |
| 26 | George W. Allsop | 17 | Son | None | England |
| 27 | Eliza Mould | 79 | Mother-in-law | None | England |
| 28 | Donald F. Clark | 34 | Head | Rubber Technologist | Maryland |
| 29 | Helen J. Clark | 27 | Wife | None | Pennsylvania |
| 30 | Kate E. Titus | 60 | Head | Servant | New Jersey |
| 31 | Norman J. Skeed | 45 | Head | Telephone Engineer | New Jersey |
| 32 | Bessie D. Skeed | 46 | Wife | None | Pennsylvania |
| 33 | William D. Skeed | 17 | Son | None | New Jersey |
| 34 | William H. Brosmel | 46 | Head | Buyer | New Jersey |
| 35 | Christine H. Brosmel | 45 | Wife | None | New Jersey |
| 36 | Gladys M. Brosmel | 18 | Daughter | File Clerk | New Jersey |
| 37 | William H. Brosmel | 14 | Son | None | New Jersey |
| 38 | Norman S. Brosmel | 8 | Son | None | New Jersey |
| 39 | Douglas S. Dilts | 35 | Head | Sales Manager | New Jersey |
| 40 | Edith R. Dilts | 34 | Wife | Cafeteria Manager | Maryland |
| 41 | Margaret J. Dilts | 8 | Daughter | None | New Jersey |
| 42 | Mary J. Dilts | 6 | Daughter | None | New Jersey |
| 43 | Charles A. Reed | 74 | Head | None | New Jersey |
| 44 | Eliza A. Reed | 70 | Wife | None | New Jersey |
| 45 | Elizabeth Morris | 74 | Servant | Servant | New Jersey |
| 46 | Theodore P. Reed | 34 | Head | Partner | New Jersey |
| 47 | Margaret D. Reed | 34 | Wife | None | New Jersey |
| 48 | Helen Elizabeth Reed | 12 | Daughter | None | New Jersey |
| 49 | Theodore P. Jr. Reed | 8 | Son | None | New Jersey |
| 50 | John P. Van Dyke | 73 | Head | None | New Jersey |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 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)