WC
William Callahan — 1910 US Census Record
Linked across censuses1910 United States Federal Census · New Castle, Delaware
Our Model Tree links this William Callahan across the 1900 and 1910 US Censuses in New Castle, Delaware (XGBoost, ~Confirmed) — first a head (b.~1848), then head of a 7-person household.
Age 62
b. ~1848
Male
Head
Born: Ireland
Married
1910 Census Record Details
| Census Year | 1910 |
| Location | New Castle, Delaware |
| Surname | Callahan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 36 |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Watchman |
| Industry | Cotton Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
| Occupation | Watchman |
| Township / Ward | Wilmington City |
| Est. Birth Year | ~1848 |
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.
7 people recorded at the same address in the 1910 census.
| Name | Relation to head | Relative to William | Age | Birth yr |
|---|---|---|---|---|
| Katherine Callahan | Daughter | — | 15 | ~1895 |
| Edward Callahan | Son | — | 23 | ~1887 |
| Mary Callahan | Spouse | — | 57 | ~1853 |
| Elsie Callahan | Daughter | — | 20 | ~1890 |
| William Callahan | Son | — | 26 | ~1884 |
| Gertrude Callahan | Daughter | — | 2 | ~1908 |
| William Callahan | Head | — | 62 | ~1848 |
Census Appearances
1900
New Castle, …
Head, age 53
New Castle, Delaware · implied b. ~1847 — 9 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Kallahan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 52 |
| Marital Status | Married |
| Birthplace | Ireland |
| Birth Month | Nov |
| Birth Year | 1847 |
| Year of Immigration | 1867 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Fireman |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
1910
New Castle, …
Head, age 62
New Castle, Delaware · implied b. ~1848 — 7 household members
| Surname | Callahan |
| Given Name | William |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 62 |
| Marital Status | Married |
| Birthplace | Ireland |
| Years Married | 36 |
| Year of Immigration | 1864 |
| Naturalization Status | Naturalized |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Watchman |
| Industry | Cotton Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth Country | Ireland |
| Birthplace (normalized) | ireland |
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 (1900 and 1910) in New Castle, Delaware, using XGBoost record linkage.
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This person
Anchor record
William Callahan
Head · 1910 · age 62 · b. ~1848 · Delaware
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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 — New Castle, Delaware
Open full size
1910 US Federal Census — New Castle, Delaware
Page Contents
50 people indexed on this census page (ia:1910:13thcensus1910po147unit:0537)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Thomas F. Mcmanus | 44 | Head | Dresser | England |
| 52 | Sarah E. Mcmanus | 42 | Wife | — | Pennsylvania |
| 53 | Stephen F. Mcmanus | 19 | Son | Dyer | Delaware |
| 54 | William F. Mcmanus | 17 | Son | Lapper | Delaware |
| 55 | James F. Mcmanus | 15 | Son | Dyer | Delaware |
| 56 | Katie F. Mcmanus | 12 | Daughter | — | Delaware |
| 57 | Thomas Mcmanus | 11 | Son | — | Delaware |
| 58 | Annie Mcmanus | 6 | Daughter | — | Delaware |
| 59 | Annie Clancy | 34 | Head | — | Ireland |
| 60 | Thomas Clancy | 38 | Brother | Laborer | Ireland |
| 61 | George Clancy | 37 | Brother | Laborer | Ireland |
| 62 | Alexander Clancy | 30 | Brother | Laborer | Ireland |
| 63 | John H. Russell | 37 | Head | Engineer | Delaware |
| 64 | Elizabeth Russell | 36 | Wife | — | Virginia |
| 65 | George J. Russell | 10 | Son | — | Delaware |
| 66 | Edward J. Mcclure | 45 | Head | Feeder | Delaware |
| 67 | Mary E. Mcclure | 46 | Wife | — | Pennsylvania |
| 68 | Barbara C. Mcclure | 19 | Daughter | Dressmaker | Delaware |
| 69 | Mary A. Mcclure | 17 | Daughter | Bookkeeper | Delaware |
| 70 | John F. Mcclure | 14 | Son | Laborer | Delaware |
| 71 | Edward J. Mcclure | 12 | Son | — | Delaware |
| 72 | Eugene Mcclure | 8 | Son | — | Delaware |
| 73 | Catherine Bradley | 58 | Head | — | Ireland |
| 74 | Catherine E. Bradley | 32 | Daughter | Dressmaker | Delaware |
| 75 | Joseph J. Bradley | 21 | Son | Bookkeeper | Delaware |
| 76 | Sarah C. Bradley | 22 | Daughter | School Teacher | Delaware |
| 77 | Francis Levy | 32 | Head | Collector | New York |
| 78 | Hannah P. Levy | 30 | Wife | — | Delaware |
| 79 | Francis G. Levy | 10 | Son | — | Delaware |
| 80 | John J. Levy | 5 | Son | — | Delaware |
| 81 | Thomas Gauthier | 59 | Head | Carpenter | Canada |
| 82 | Mary E. Gauthier | 60 | Wife | — | Ireland |
| 83 | Ralph Gauthier | 19 | Son | Clerk | Delaware |
| 84 | Robert Campbell | 53 | Boarder | Laborer | Delaware |
| 85 | George Leitch | 63 | Head | Foreman | Pennsylvania |
| 86 | Katherine Leitch | 62 | Wife | — | Pennsylvania |
| 87 | John H. Benson | 60 | Head | Blacksmith | Maryland |
| 88 | Sarah E. Benson | 58 | Wife | — | Maryland |
| 89 | William Callahan THIS PERSON | 62 | Head | Watchman | Ireland |
| 90 | Mary L. Callahan | 57 | Wife | — | Delaware |
| 91 | William A. Callahan | 26 | Son | Foreman | Delaware |
| 92 | Edward G. Callahan | 23 | Son | Squire | Delaware |
| 93 | Elsie C. Callahan | 20 | Daughter | Operator | Delaware |
| 94 | Katherine E. Callahan | 15 | Daughter | — | Delaware |
| 95 | Gertrude Callahan | 2 | Daughter | — | Delaware |
| 96 | Samuel Scott | 62 | Head | Eng. | Delaware |
| 97 | Rachel M. Scott | 62 | Wife | — | Delaware |
| 98 | William A. Scott | 30 | Son | Finisher | Delaware |
| 99 | Frank Scott | 20 | Son | Finisher | Delaware |
| 100 | William M. Grogan | 40 | Head | Engineer | Pennsylvania |
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)