WC
William Cooper — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this William Cooper across the 1900, 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1855), then head of a 7-person household.
Age 65
b. ~1855
Male
Head
Born: New Jersey
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | Cooper |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Additional Details | |
| Occupation | Manager |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Manager |
| Township / Ward | Conshohocken Borough |
| Est. Birth Year | ~1855 |
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.
7 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Lida Cooper | Daughter | — | 19 | ~1901 |
| William Cooper | Head | — | 65 | ~1855 |
| Mary Mccarthy | Other | — | 49 | ~1871 |
| Hayley Cooper | Son | — | 16 | ~1904 |
| William Cooper | Son | — | 21 | ~1899 |
| John Cooper | Son | — | 12 | ~1908 |
| Mary Cooper | Spouse | — | 51 | ~1869 |
Census Appearances
1900
Montgomery, Pennsylvania
Head, age 46
Montgomery, Pennsylvania · implied b. ~1854 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | William H. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Birth Month | Mar |
| Birth Year | 1854 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Engineer Mechanical |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1910
Montgomery, Pennsylvania
Head, age 57
Montgomery, Pennsylvania · implied b. ~1853 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Cooper |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 16 |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Manager |
| Industry | Iron Works |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Montgomery, Pennsylvania
Head, age 65
Montgomery, Pennsylvania · implied b. ~1855 — 7 household members
| Surname | Cooper |
| Given Name | William A |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 65 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | New Jersey |
| Mother's Birthplace | New Jersey |
| Occupation | Manager |
| Industry | Iron Works |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | R |
| 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 William Cooper across 3 US Census years (1900, 1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Cooper
Head · 1920 · age 65 · b. ~1855 · Pennsylvania
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1920 US Federal Census — Montgomery, Pennsylvania
Open full size
1920 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1606unit:0898)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Joseph G | 17 | Son | Clerk | Pennsylvania |
| 2 | Elizabeth R | 15 | Daughter | None | Pennsylvania |
| 3 | Richard L | 11 | Son | None | Pennsylvania |
| 4 | Hugh P Holden | 48 | Head | Machinist | Pennsylvania |
| 5 | Margueritte Holden | 44 | Wife | Steno | Pennsylvania |
| 6 | Charles Mcdine | 34 | Head | Clerk | Pennsylvania |
| 7 | Margueritte Mcdine | 35 | Wife | None | Pennsylvania |
| 8 | Mildred Mcdine | 8 | Daughter | None | Nebraska |
| 9 | Charles Jr Mcdine | 2 | Son | None | Pennsylvania |
| 10 | Ida C Hall | 49 | Head | None | Pennsylvania |
| 11 | Anna S Hall | 25 | Daughter | None | Pennsylvania |
| 12 | George Slaughter | 28 | Son-in-law | Bank Teller | Maryland |
| 13 | Marie Slaughter | 0 | Daughter | None | Pennsylvania |
| 14 | Charles F Hopkinson | 28 | Head | Teacher | Pennsylvania |
| 15 | Anna M Hopkinson | 23 | Wife | None | Pennsylvania |
| 16 | Ruth Hopkinson | 2 | Son | None | Pennsylvania |
| 17 | Elizabeth C Hopkinson | 64 | Mother | None | Pennsylvania |
| 18 | J H Saylor | 51 | Head | Foreman | Pennsylvania |
| 19 | Emma B Stewart | 24 | Boarder | Teacher | Pennsylvania |
| 20 | Robert B De Elsey | 45 | Head | Dentist | Delaware |
| 21 | De Elsey | 36 | Wife | None | Delaware |
| 22 | Robert M De Elsey | 13 | Son | None | Pennsylvania |
| 23 | Bradley De Elsey | 9 | Son | None | Pennsylvania |
| 24 | James L De Elsey | 4 | Son | None | Pennsylvania |
| 25 | George G In Highly | 60 | Head | Doctor | Pennsylvania |
| 26 | Mary H In Highly | 54 | Wife | None | Pennsylvania |
| 27 | Charles C In Highly | 24 | Son | Manager | Pennsylvania |
| 28 | Rose Nixon | 50 | Servant | Cook | Pennsylvania |
| 29 | William A Cooper THIS PERSON | 65 | Head | Manager | New Jersey |
| 30 | Mary Cooper | 51 | Wife | None | New York |
| 31 | William A Jr Cooper | 21 | Son | None | Pennsylvania |
| 32 | Lida Cooper | 19 | Daughter | None | Pennsylvania |
| 33 | Hayley B Cooper | 16 | Son | None | Pennsylvania |
| 34 | John R Cooper | 12 | Son | None | Pennsylvania |
| 35 | Mary Mccarthy | 49 | Servant | Cook | Ireland |
| 36 | Jane Cooper | 81 | Head | None | New Jersey |
| 37 | Margaret Cummins | 39 | Servant | Cook | Pennsylvania |
| 38 | Martha Kelly | 31 | Servant | Nurse | Pennsylvania |
| 39 | Thomas Melson | 52 | Head | Pharmacist | England |
| 40 | Elizabeth C Melson | 49 | Wife | None | England |
| 41 | Agnes C Melson | 18 | Daughter | None | Pennsylvania |
| 42 | Thomas Jr Melson | 14 | Son | None | Pennsylvania |
| 43 | Agnes Emil | 44 | Sister-in-law | Secretary | England |
| 44 | William H Wade | 61 | Head | General Supt | Pennsylvania |
| 45 | Ruth Wade | 57 | Wife | None | England |
| 46 | John W Wade | 30 | Son | Salesman | Pennsylvania |
| 47 | William Jr Wade | 28 | Son | Mail Service | Pennsylvania |
| 48 | Leroy Wade | 23 | Son | Tire Maker | Pennsylvania |
| 49 | Harrison W Atkins | 61 | Head | Agent | Pennsylvania |
| 50 | Mary J Atkins | 56 | Wife | None | Pennsylvania |
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)