JC
James Callahan — 1910 US Census Record
Linked across censuses1910 United States Federal Census · Fairfield, Connecticut
Our Model Tree links this James Callahan across the 1900 and 1910 US Censuses in Fairfield, Connecticut (XGBoost, ~Confirmed) — first a head (b.~1864), then head of a 9-person household.
Age 46
b. ~1864
Male
Head
Born: Australia
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | Fairfield, Connecticut |
| Surname | Callahan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Australia |
| Years Married | 7 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | machinist |
| Industry | machine fact. |
| Birthplace (normalized) | australia |
| Occupation | Machinist |
| Township / Ward | Bridgeport City |
| Est. Birth Year | ~1864 |
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.
9 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| Margaret Callahan | Daughter | — | 6 | ~1904 |
| Virginia Callahan | Daughter | — | 15 | ~1895 |
| Charlotte Callahan | Daughter | — | 8 | ~1902 |
| James Callahan | Head | — | 46 | ~1864 |
| James Callahan | Son | — | 4 | ~1906 |
| Raymond Callahan | Son | — | 16 | ~1894 |
| Annie Callahan | Spouse | — | 45 | ~1865 |
| Harold Callahan | Son | — | 13 | ~1897 |
| Florence Callahan | Daughter | — | 11 | ~1899 |
Census Appearances
1900
Fairfield, Connecticut
Head, age 35
Fairfield, Connecticut · implied b. ~1865 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Calahan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 35 |
| Marital Status | Married |
| Birthplace | Australia |
| Birth Month | Sept |
| Birth Year | 1865 |
| Year of Immigration | 1868 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Machinist |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birthplace (normalized) | australia |
1910
Fairfield, Connecticut
Head, age 46
Fairfield, Connecticut · implied b. ~1864 — 9 household members
| Surname | Callahan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 46 |
| Marital Status | Married |
| Birthplace | Australia |
| Years Married | 7 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | machinist |
| Industry | machine fact. |
| Birthplace (normalized) | australia |
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 James Callahan across 2 US Census years (1900 and 1910) in Fairfield, Connecticut, using XGBoost record linkage.
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This person
Anchor record
James Callahan
Head · 1910 · age 46 · b. ~1864 · Connecticut
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1910 US Federal Census — Fairfield, Connecticut
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1910 US Federal Census — Fairfield, Connecticut
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po128unit:0224)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Mary A | 50 | Head | None | Ireland |
| 52 | Margaret | 25 | Daughter | Teacher | Connecticut |
| 53 | John | 23 | Son | Apprentice | Connecticut |
| 54 | Mary | 21 | Daughter | None | Connecticut |
| 55 | Alice | 19 | Daughter | None | Connecticut |
| 56 | Anna | 17 | Daughter | None | Connecticut |
| 57 | Gertrude | 18 | Niece | Stitcher | Connecticut |
| 58 | Margaret | 16 | Niece | None | Connecticut |
| 59 | Michael | 36 | Head | Woodworker | Maryland |
| 60 | Margaret | 37 | Wife | None | Pennsylvania |
| 61 | George | 15 | Son | None | Maryland |
| 62 | John | 54 | Head | Molder | Ireland |
| 63 | Alice | 50 | Wife | None | Ireland |
| 64 | Alice | 8 | Daughter | None | Connecticut |
| 65 | Hubert Harp | 31 | Head | Painter | Connecticut |
| 66 | Mary E Harp | 27 | Wife | None | England |
| 67 | William H Harp | 12 | Son | None | New York |
| 68 | Ruth Harp | 9 | Daughter | None | New York |
| 69 | Hubert H Harp | 3 | Son | None | New York |
| 70 | James Harp | 1 | Son | None | New York |
| 71 | Christ Loehr | 47 | Head | Engineer | Germany |
| 72 | Berta Loehr | 47 | Wife | None | Germany |
| 73 | Lulu Loehr | 23 | Daughter | Weaver | Germany |
| 74 | Elsa Loehr | 19 | Daughter | Clerk | Germany |
| 75 | Emma Loehr | 15 | Daughter | None | Connecticut |
| 76 | Albert Severy | 22 | Boarder | Spinner | Germany |
| 77 | James Severy | 22 | Boarder | Fireman | New Jersey |
| 78 | James Callahan THIS PERSON | 46 | Head | Machinist | Australia |
| 79 | Annie Callahan | 45 | Wife | None | Connecticut |
| 80 | Raymond Callahan | 16 | Son | Clerk | Connecticut |
| 81 | Virginia Callahan | 15 | Daughter | None | Connecticut |
| 82 | Harold Callahan | 13 | Son | None | Connecticut |
| 83 | Florence Callahan | 11 | Daughter | None | Connecticut |
| 84 | Charlotte Callahan | 8 | Daughter | None | Connecticut |
| 85 | Margaret Callahan | 6 | Daughter | None | Connecticut |
| 86 | James Callahan | 4 | Son | None | Connecticut |
| 87 | John Thomas | 37 | Head | Blacksmith | Sweden |
| 88 | Minnie Thomas | 36 | Wife | None | Sweden |
| 89 | Anna Thomas | 14 | Daughter | Box Maker | Sweden |
| 90 | Ida Thomas | 13 | Daughter | None | Sweden |
| 91 | Sigfrid Thomas | 11 | Son | None | Connecticut |
| 92 | John Thomas | 7 | Son | None | Connecticut |
| 93 | Ludwig Thomas | 4 | Son | None | Connecticut |
| 94 | Esther Thomas | 1 | Daughter | None | Connecticut |
| 95 | Graham Arthur | 56 | Head | Machinist | Norway |
| 96 | Julia Arthur | 43 | Wife | None | Norway |
| 97 | Rudolph Arthur | 18 | Son | Apprentice | Massachusetts |
| 98 | Lillie Arthur | 16 | Daughter | None | Massachusetts |
| 99 | George Arthur | 14 | Son | None | Massachusetts |
| 100 | Arthur Arthur | 12 | Son | None | Massachusetts |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1910 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)