WM
William Mccormick — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Montgomery, Pennsylvania
Our Model Tree links this William Mccormick across the 1910 and 1920 US Censuses in Montgomery, Pennsylvania (XGBoost, ~Confirmed) — first a son (b.~1902), then head of a 8-person household.
Age 18
b. ~1902
Male
Son
Born: Pennsylvania
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Montgomery, Pennsylvania |
| Surname | McCormick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
| Township / Ward | Norristown Borough |
| Est. Birth Year | ~1902 |
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.
8 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Margaret Mccormick | Daughter | — | 22 | ~1898 |
| Hannah Mccormick | Spouse | — | 56 | ~1864 |
| Thomas Mccormick | Head | — | 69 | ~1851 |
| William Mccormick | Son | — | 18 | ~1902 |
| Catherine Mccormick | Daughter | — | 24 | ~1896 |
| Thomas Mccormick | Son | — | 26 | ~1894 |
| John Mccormick | Son | — | 26 | ~1894 |
| Mary Mccormick | Daughter | — | 27 | ~1893 |
Census Appearances
1910
Montgomery, Pennsylvania
Son, age 8
Montgomery, Pennsylvania · implied b. ~1902 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | McCormick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Birth State | Pennsylvania |
| Birth Country | United States |
| Birthplace (normalized) | pennsylvania |
1920
Montgomery, Pennsylvania
Son, age 18
Montgomery, Pennsylvania · implied b. ~1902 — 8 household members
| Surname | McCormick |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Pennsylvania |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | none |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| 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 2 US Census years (1910 and 1920) in Montgomery, Pennsylvania, using XGBoost record linkage.
Show:
This person
Anchor record
William Mccormick
Son · 1920 · age 18 · b. ~1902 · Pennsylvania
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Sibling
Catherine Mccormick
Sibling · 1920 · age 24
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mccormick
Sibling · 1920 · age 22
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Thomas Mccormick
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Mccormick
Sibling · 1920 · age 26
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Mary Mccormick
Sibling · 1920 · age 27
Source co-child of head (derived)
● Co-child · derived · ~0.88
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:1920:14thcensusofpopu1604unit:1235)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Catherine Royer | 54 | Mother-in-law | None | Pennsylvania |
| 2 | William Murphy | 71 | Head | Fireman | Ireland |
| 3 | Mary Murphy | 66 | Wife | None | Pennsylvania |
| 4 | Laura Murphy | 44 | Daughter | None | Pennsylvania |
| 5 | Donald F. Stallwagon | 17 | Grandson | Meter Adapter | Pennsylvania |
| 6 | Agnes G. Anthony | 58 | Head | None | England |
| 7 | Caroline Farmer | 85 | Mother | None | England |
| 8 | Katherine Fisher | 16 | Boarder | None | Pennsylvania |
| 9 | Elizabeth M. Middleton | 54 | Head | None | Pennsylvania |
| 10 | Arthur G. Middleton | 27 | Son | Merchant | New Jersey |
| 11 | Laura Middleton | 23 | Daughter-in-law | None | Pennsylvania |
| 12 | Gertrude M. Middleton | 2 | Granddaughter | None | Pennsylvania |
| 13 | Robert M. Earheart | 35 | Boarder | None | Pennsylvania |
| 14 | James Gray | 59 | Head | Heater | Pennsylvania |
| 15 | Mary A. Gray | 52 | Wife | None | Pennsylvania |
| 16 | Daniel W. Chapman | 32 | Step son | Boiler Maker | Pennsylvania |
| 17 | Gale G. Chapman | 24 | Step daughter | Stenographer | Pennsylvania |
| 18 | Alfred Cramer | 29 | Head | Clerk | Pennsylvania |
| 19 | Edna Cramer | 31 | Wife | None | Pennsylvania |
| 20 | Paul Cramer | 7 | Son | None | Pennsylvania |
| 21 | Edward S. Cramer | 53 | Head | Clerk | Pennsylvania |
| 22 | Matilda B. Cramer | 55 | Wife | None | Pennsylvania |
| 23 | William H. Watson | 65 | Head | None | Pennsylvania |
| 24 | Catherine Watson | 61 | Wife | None | Pennsylvania |
| 25 | Raymond Watson | 31 | Son | Armature Winder | Pennsylvania |
| 26 | Florence Watson | 24 | Son | Armature Winder | Pennsylvania |
| 27 | William Marsteller | 45 | Head | Mechanic | Pennsylvania |
| 28 | Susan Marsteller | 45 | Wife | None | Pennsylvania |
| 29 | Ralph Marsteller | 16 | Son | None | Pennsylvania |
| 30 | Franklin Marsteller | 15 | Son | None | Pennsylvania |
| 31 | Walter Marsteller | 6 | Son | None | Pennsylvania |
| 32 | Elva Marsteller | 81 | Mother | None | Pennsylvania |
| 33 | Thomas Mccormick | 69 | Head | Laborer | Ireland |
| 34 | Hannah Mccormick | 56 | Wife | None | Ireland |
| 35 | Mary Mccormick | 27 | Daughter | Stenographer | Pennsylvania |
| 36 | John Mccormick | 26 | Son | Laborer | Pennsylvania |
| 37 | Thomas Mccormick | 26 | Son | Laborer | Pennsylvania |
| 38 | Catherine Mccormick | 24 | Daughter | Stenographer | Pennsylvania |
| 39 | Margaret Mccormick | 22 | Daughter | Stenographer | Pennsylvania |
| 40 | William Mccormick THIS PERSON | 18 | Son | None | Pennsylvania |
| 41 | George W. Ashenfetter | 65 | Head | Truck Driver | Pennsylvania |
| 42 | Sarah Ashenfetter | 58 | Wife | None | Pennsylvania |
| 43 | Sylvia Ashenfetter | 32 | Daughter | Stenographer | Pennsylvania |
| 44 | George H. Ashenfetter | 30 | Son | Clerk | Pennsylvania |
| 45 | Beatrice Ashenfetter | 15 | Daughter | None | Pennsylvania |
| 46 | Harold Ashenfetter | 14 | Son | None | Pennsylvania |
| 47 | William W. Trager | 25 | Son-in-law | Bookkeeper | Pennsylvania |
| 48 | Sonia Trager | 25 | Daughter | None | Pennsylvania |
| 49 | William Lindenmuth | 55 | Head | Machinist | Pennsylvania |
| 50 | Mary Lindenmuth | 53 | Wife | None | Pennsylvania |
Related Census Records
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)