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Thomas Callahan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Mercer, New Jersey
Our Model Tree links this Thomas Callahan across the 1910 and 1920 US Censuses in Mercer, New Jersey (XGBoost, ~Confirmed) — first a head (b.~1882), then head of a 8-person household.
Age 38
b. ~1882
Male
Head
Born: New Jersey
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Mercer, New Jersey |
| Surname | Callahan |
| Given Name | Thomas J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Machine Hand |
| Industry | Rubber Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| Home Owned/Rented | R |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
| Occupation | Machine Hand |
| Township / Ward | Trenton City |
| Est. Birth Year | ~1882 |
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 Thomas | Age | Birth yr |
|---|---|---|---|---|
| Margaret Callahan | Daughter | — | 9 | ~1911 |
| Thomas Callahan | Son | — | 11 | ~1909 |
| Sara Callahan | Spouse | — | 30 | ~1890 |
| Doris Callahan | Daughter | — | 4 | ~1916 |
| Thomas Callahan | Head | — | 38 | ~1882 |
| Eugenia Callahan | Daughter | — | 2 | ~1918 |
| Eleanor Callahan | Daughter | — | ~1920 | |
| Grace Callahan | Daughter | — | 6 | ~1914 |
Census Appearances
1910
Mercer, New …
Head, age 27
Mercer, New Jersey · implied b. ~1883 — 4 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | Thomas |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 27 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Years Married | 5 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Conductor |
| Industry | Steam railroad |
| Birth State | New Jersey |
| Birth Country | United States |
| Birthplace (normalized) | new jersey |
1920
Mercer, New …
Head, age 38
Mercer, New Jersey · implied b. ~1882 — 8 household members
| Surname | Callahan |
| Given Name | Thomas J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 38 |
| Marital Status | Married |
| Birthplace | New Jersey |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machine Hand |
| Industry | Rubber Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Mother Tongue | English |
| 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 Thomas Callahan across 2 US Census years (1910 and 1920) in Mercer, New Jersey, using XGBoost record linkage.
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This person
Anchor record
Thomas Callahan
Head · 1920 · age 38 · b. ~1882 · New Jersey
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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 — Mercer, New Jersey
Open full size
1920 US Federal Census — Mercer, New Jersey
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1054unit:1189)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Sarah Dowling | 57 | Wife | — | Ireland |
| 2 | John A Dowling | 33 | Son | Bank Clerk | New Jersey |
| 3 | William J Dowling | 29 | Son | Police Officer | New Jersey |
| 4 | Edward W Courtney | 53 | Head | Laborer | Pennsylvania |
| 5 | Mary H Mccrossey | 24 | Wife | — | New Jersey |
| 6 | Kate Mccrossey | 48 | Sister in law | Forelady | New Jersey |
| 7 | Daniel Emlay | 50 | Brother in law | Laborer | New Jersey |
| 8 | Nicholas Ehret | 38 | Boarder | — | New Jersey |
| 9 | William Marsden | 32 | Boarder | Fireman | Pennsylvania |
| 10 | John Berkowitz | 37 | Head | Proprietor | Russia |
| 11 | Florence Berkowitz | 33 | Wife | — | Pennsylvania |
| 12 | Estella Berkowitz | 9 | Daughter | — | New Jersey |
| 13 | Doris Berkowitz | 4 | Daughter | — | New Jersey |
| 14 | Bernard Greenburg | 19 | Brother in law | Clerk | Pennsylvania |
| 15 | Harry F Stout | 65 | Private Family | Houseman | New Jersey |
| 16 | Anna E Stout | 53 | Wife | Cook | New Jersey |
| 17 | George A Stout | 37 | Son | Laborer | New Jersey |
| 18 | Blanca Tillingham | 35 | Boarder | School Teacher | New Jersey |
| 19 | Ranson Tillingham | 19 | Boarder | Laborer | New Jersey |
| 20 | Anna M Wallace | 65 | Head | — | New Jersey |
| 21 | John A White | 49 | Head | Clergyman | Virginia |
| 22 | Alma L White | 48 | Wife | — | New York |
| 23 | Thomas J Callahan THIS PERSON | 38 | Head | Machine Hand | New Jersey |
| 24 | Sara Callahan | 30 | Wife | — | New Jersey |
| 25 | Thomas J Jr Callahan | 11 | Son | — | New Jersey |
| 26 | Margaret Callahan | 9 | Daughter | — | New Jersey |
| 27 | Grace Callahan | 6 | Daughter | — | New Jersey |
| 28 | Doris Callahan | 4 | Daughter | — | New Jersey |
| 29 | Eugenia Callahan | 2 | Daughter | — | New Jersey |
| 30 | Eleanor Callahan | 0 | Daughter | — | New Jersey |
| 31 | Edward J Hyde | 35 | Head | Fireman | New Jersey |
| 32 | Anna J Hyde | 30 | Wife | — | New Jersey |
| 33 | Mary F Hyde | 11 | Daughter | — | New Jersey |
| 34 | Marion E Hyde | 8 | Daughter | — | New Jersey |
| 35 | Anna J Hyde | 6 | Daughter | — | New Jersey |
| 36 | John E Carey | 27 | Boarder | Shipping Clerk | New York |
| 37 | Luther Williams | 35 | Head | Truck Driver | Virginia |
| 38 | Elizabeth Williams | 33 | Wife | Laundress | New Jersey |
| 39 | Katrina Golden | 67 | Mother in law | — | New Jersey |
| 40 | Caroline Juda | 12 | Stepdaughter | — | New Jersey |
| 41 | Thomas M Williams | 35 | Head | Fireman | Virginia |
| 42 | Ethel B Williams | 30 | Wife | — | North Carolina |
| 43 | Ethel A Williams | 8 | Daughter | — | New Jersey |
| 44 | John P Graham | 22 | Boarder | Laborer | North Carolina |
| 45 | Delia H Graham | 24 | Boarder | — | North Carolina |
| 46 | Mary E Dorsey | 55 | Head | — | England |
| 47 | Peter J Mclea | 42 | Son in law | Millworker | New Jersey |
| 48 | Margaret Mclea | 38 | Daughter | — | New Jersey |
| 49 | John F Delaney | 15 | Grandson | — | New Jersey |
| 50 | Elmira Ashe | 50 | Head | Cook | Virginia |
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)