WC
William Callahan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Essex, Massachusetts
Our Model Tree links this William Callahan across the 1910 and 1920 US Censuses in Essex, Massachusetts (XGBoost, ~Confirmed) — first a son (b.~1909), then head of a 6-person household.
Age 11
b. ~1909
Male
Son
Born: Massachusetts
Single
1920 Census Record Details
| Census Year | 1920 |
| Location | Essex, Massachusetts |
| Surname | Callahan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Additional Details | |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
| Township / Ward | Marblehead Town |
| Est. Birth Year | ~1909 |
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 1920 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Florence Callahan | Daughter | — | 3 | ~1917 |
| John Callahan | Son | — | 8 | ~1912 |
| Phyllis Callahan | Daughter | — | ~1920 | |
| Timothy Callahan | Head | — | 36 | ~1884 |
| William Callahan | Son | — | 11 | ~1909 |
| Harriett Callahan | Spouse | — | 33 | ~1887 |
Census Appearances
1910
Essex, Massachusetts
Son, age 2
Essex, Massachusetts · implied b. ~1908 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Callahan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 2 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
1920
Essex, Massachusetts
Son, age 11
Essex, Massachusetts · implied b. ~1909 — 6 household members
| Surname | Callahan |
| Given Name | William |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 11 |
| Marital Status | Single |
| Birthplace | Massachusetts |
| Father's Birthplace | Massachusetts |
| Mother's Birthplace | Massachusetts |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Massachusetts |
| Birth Country | United States |
| Birthplace (normalized) | massachusetts |
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 Callahan across 2 US Census years (1910 and 1920) in Essex, Massachusetts, using XGBoost record linkage.
Show:
This person
Anchor record
William Callahan
Son · 1920 · age 11 · b. ~1909 · Massachusetts
★ You are viewing this record
Sibling
Florence Callahan
Sibling · 1920 · age 3
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Phyllis Callahan
Sibling · 1920 · age
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
John Callahan
Sibling · 1920 · age 8
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 — Essex, Massachusetts
Open full size
1920 US Federal Census — Essex, Massachusetts
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu697unit:0602)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Timothy Callahan | 36 | Head | Edge Setter | Massachusetts |
| 2 | Harriett Callahan | 33 | Wife | — | Massachusetts |
| 3 | William Callahan THIS PERSON | 11 | Son | — | Massachusetts |
| 4 | John Callahan | 8 | Son | — | Massachusetts |
| 5 | Florence Callahan | 3 | Daughter | — | Massachusetts |
| 6 | Phyllis Callahan | 0 | Daughter | — | Massachusetts |
| 7 | George D Isaac | 72 | Head | — | Maine |
| 8 | Carrie W Isaac | 62 | Wife | — | Maine |
| 9 | Hayden P Jarvis | 38 | Head | Wood Pattern Maker | England |
| 10 | Sarah Jarvis | 59 | Wife | — | England |
| 11 | John Gerling | 39 | Head | Hulk Hand | Russia |
| 12 | Anna Gerling | 37 | Wife | — | Russia |
| 13 | Alma Gerling | 13 | Daughter | — | Massachusetts |
| 14 | Alfred Gerling | 11 | Son | — | Massachusetts |
| 15 | Arthur Gerling | 5 | Son | — | Massachusetts |
| 16 | Helen Gerling | 2 | Daughter | — | Massachusetts |
| 17 | William R Smith | 46 | Head | Painter | Massachusetts |
| 18 | Anna Smith | 40 | Wife | — | Massachusetts |
| 19 | William F Smith | 22 | Son | Bookmaker | Massachusetts |
| 20 | Gordon Smith | 18 | Son | Painter-Striker | Massachusetts |
| 21 | Edward J Doherty | 47 | Head | Hatter | Massachusetts |
| 22 | Marion Doherty | 17 | Daughter | — | Massachusetts |
| 23 | Joseph Doherty | 12 | Son | — | Massachusetts |
| 24 | Mary Alexander | 55 | Head | Stitcher | Massachusetts |
| 25 | Sarah J Nichols | 55 | Boarder | — | Massachusetts |
| 26 | Charles Smith | 45 | Head | Shipper | Massachusetts |
| 27 | Nellie Smith | 41 | Wife | — | Canada |
| 28 | Wilfred Smith | 12 | Son | — | Massachusetts |
| 29 | Edwin Smith | 7 | Son | — | Massachusetts |
| 30 | James Smith | 5 | Son | — | Massachusetts |
| 31 | Harold Smith | 3 | Son | — | Massachusetts |
| 32 | William Smith | 1 | Son | — | Massachusetts |
| 33 | Bruce F Banker | 30 | Head | Shipper | Massachusetts |
| 34 | Josephine E Banker | 29 | Wife | — | Massachusetts |
| 35 | Hazel E Banker | 10 | Daughter | — | Massachusetts |
| 36 | Bruce Banker | 8 | Son | — | Massachusetts |
| 37 | Ruth Banker | 7 | Daughter | — | Massachusetts |
| 38 | Walter S Banker | 5 | Son | — | Massachusetts |
| 39 | Elizabeth O Banker | 4 | Daughter | — | Massachusetts |
| 40 | Alice M Banker | 3 | Daughter | — | Massachusetts |
| 41 | William R Banker | 1 | Son | — | Massachusetts |
| 42 | Thomas Provitt | 36 | Head | Carpenter | Canada |
| 43 | Effie Provitt | 33 | Wife | — | Canada |
| 44 | Arthur Provitt | 14 | Son | Messenger | Massachusetts |
| 45 | Gladys Provitt | 11 | Daughter | — | Massachusetts |
| 46 | Thomas Provitt | 3 | Son | — | Massachusetts |
| 47 | Asa Kimball | 36 | Head | Machinist | New Hampshire |
| 48 | Josephine M Kimball | 30 | Wife | — | Massachusetts |
| 49 | Marie E Kimball | 4 | Daughter | — | Massachusetts |
| 50 | Phyllis J Kimball | 1 | Daughter | — | Massachusetts |
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)