WM
William Mccormick — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this William Mccormick across the 1900, 1910, 1920 and 1930 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a head (b.~1873), then head of a 6-person household.
Age 57
b. ~1873
Male
Head
Born: Pennsylvania
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Montgomery, Pennsylvania |
| Surname | McCormick |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Car Inspector |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Occupation | Car Inspector |
| Township / Ward | Norristown Borough |
| Est. Birth Year | ~1873 |
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 William | Age | Birth yr |
|---|---|---|---|---|
| William Mccormick | Head | — | 57 | ~1873 |
| Anna Mccormick | Spouse | — | 56 | ~1874 |
| John Mccormick | Son | — | 16 | ~1914 |
| Margaret Mccormick | Daughter | — | 19 | ~1911 |
| Mark Mccormick | Son | — | 21 | ~1909 |
| Mary Mccormick | Daughter | — | 28 | ~1902 |
Census Appearances
1900
Montgomery, Pennsylvania
Head, age 28
Montgomery, Pennsylvania · implied b. ~1872 — 3 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Birth Month | Aug |
| Birth Year | 1872 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Salesman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1910
Montgomery, Pennsylvania
Head, age 36
Montgomery, Pennsylvania · implied b. ~1874 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 36 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Years Married | 11 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Yard Inspector |
| Industry | Railroad |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Head, age 46
Montgomery, Pennsylvania · implied b. ~1874
●
Primary link
· ~Confirmed · 1 source
XGBoost
| Surname | McCormick |
| Given Name | William J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Scotland |
| Occupation | Car Inspector |
| Industry | Railroad |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1930
Montgomery, Pennsylvania
Head, age 57
Montgomery, Pennsylvania · implied b. ~1873 — 6 household members
| Surname | McCormick |
| Given Name | William J. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 57 |
| Marital Status | Married |
| Birthplace | Pennsylvania |
| Age at First Marriage | 26 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Car Inspector |
| Industry | Railroad |
| Class of Worker | W |
| Can Read/Write | Yes |
| Home Owned/Rented | R |
| Home Value / Rent | 7500 |
| Radio Set | R |
| Veteran | No |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
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 Mccormick across 4 US Census years (1900, 1910, 1920 and 1930) in Montgomery, Pennsylvania, using XGBoost record linkage.
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This person
Anchor record
William Mccormick
Head · 1930 · age 57 · b. ~1873 · Pennsylvania
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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 — Montgomery, Pennsylvania
Open full size
1930 US Federal Census — Montgomery, Pennsylvania
Page Contents
50 people indexed on this census page (ia:1930:fifteenthcensus00reel2083:0754)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas W. Faulkner | 32 | Head | Labour | Pennsylvania |
| 52 | Dorothy S. Faulkner | 32 | Wife | Seamstress | Pennsylvania |
| 53 | Thomas B. Faulkner | 7 | Son | None | Pennsylvania |
| 54 | Anna F. Clark | 31 | Sister | None | Pennsylvania |
| 55 | Anna E. Faulkner | 7 | Niece | None | Pennsylvania |
| 56 | William J. Kelley | 45 | Head | Labour | Pennsylvania |
| 57 | Margaret M. Kelley | 45 | Wife | None | Pennsylvania |
| 58 | Ida S. Kelley | 26 | Daughter | Bookkeeper | Pennsylvania |
| 59 | William J. Kelley | 24 | Son | Manager | Pennsylvania |
| 60 | William H. Crawford | 41 | Head | Mechanic | Pennsylvania |
| 61 | Alice E. Crawford | 39 | Wife | None | Pennsylvania |
| 62 | William H. Crawford | 9 | Son | None | Pennsylvania |
| 63 | Wallace B. Munchower | 47 | Head | Machinist | Pennsylvania |
| 64 | Margaret A. Munchower | 45 | Wife | None | Pennsylvania |
| 65 | Joseph Jackson | 73 | Father-in-law | None | England |
| 66 | Walter Batchelder | 42 | Head | Shirt Cutter | Pennsylvania |
| 67 | Estella G. Batchelder | 36 | Wife | None | Pennsylvania |
| 68 | Russell W. Batchelder | 18 | Son | None | Pennsylvania |
| 69 | Frederick R. Walte | 34 | Head | Letter Carrier | Pennsylvania |
| 70 | Marion F. Walte | 34 | Wife | None | Pennsylvania |
| 71 | Katharine K. Walte | 56 | Mother | Saleslady | Germany |
| 72 | Harold S. Hawley | 40 | Head | Salesman | New Jersey |
| 73 | Alice M. Hawley | 40 | Wife | Teacher | Pennsylvania |
| 74 | William J. Mccormick THIS PERSON | 57 | Head | Car Inspector | Pennsylvania |
| 75 | Anna J. Mccormick | 56 | Wife | None | Pennsylvania |
| 76 | Mary M. Mccormick | 28 | Daughter | Nurse-Trains | Pennsylvania |
| 77 | Mark A. Mccormick | 21 | Son | Salesman | Pennsylvania |
| 78 | Margaret J. Mccormick | 19 | Daughter | Stenographer | Pennsylvania |
| 79 | John P. Mccormick | 16 | Son | None | Pennsylvania |
| 80 | Joseph Mcclallan | 72 | Head | Wool Spinner | Pennsylvania |
| 81 | Joseph W. Mcclallan | 21 | Son | Advertiser | Pennsylvania |
| 82 | Mary Mcclallan | 65 | Sister | None | Pennsylvania |
| 83 | James M. Fielding | 60 | Head | Yardmaster | Pennsylvania |
| 84 | Florence Fielding | 57 | Wife | None | England |
| 85 | Chester H. Fielding | 19 | Son | Chemist | Pennsylvania |
| 86 | Eunice F. Fielding | 14 | Daughter | None | Pennsylvania |
| 87 | Leidy C. Detwiler | 50 | Head | Superintendent | Pennsylvania |
| 88 | Laura B. Detwiler | 45 | Wife | None | Pennsylvania |
| 89 | Harry J. Detwiler | 19 | Son | Meat Cutter | Pennsylvania |
| 90 | Russell A. Detwiler | 17 | Son | Labour | Pennsylvania |
| 91 | Beatrice M. Detwiler | 11 | Daughter | None | Pennsylvania |
| 92 | Theodore H. Detwiler | 10 | Son | None | Pennsylvania |
| 93 | Ruth E. Detwiler | 4 | Daughter | None | Pennsylvania |
| 94 | Russell Lake | 31 | Head | Manufacturer | Pennsylvania |
| 95 | Madeline I. Lake | 28 | Wife | None | Pennsylvania |
| 96 | Virginia B. Lake | 6 | Daughter | None | Pennsylvania |
| 97 | Russell B. Lake | 5 | Son | None | Pennsylvania |
| 98 | John F. Bergey | 52 | Father-in-law | Deputy Sheriff | Pennsylvania |
| 99 | Anna Bergey | 53 | Mother-in-law | None | Pennsylvania |
| 100 | — | None | — | — | — |
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)