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James Mulligan — 1920 US Census Record
Linked across censuses1920 United States Federal Census · Merrimack, New Hampshire
Our Model Tree links this James Mulligan across the 1900, 1910 and 1920 US Censuses in Merrimack, New Hampshire (XGBoost, ~Confirmed) — first a head (b.~1862), then head of a 3-person household.
Age 58
b. ~1862
Male
Head
Born: New Hampshire
Married
1920 Census Record Details
| Census Year | 1920 |
| Location | Merrimack, New Hampshire |
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Additional Details | |
| Occupation | Laborer |
| Industry | Flour Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
| Occupation | Laborer |
| Township / Ward | Concord City |
| Est. Birth Year | ~1862 |
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.
3 people recorded at the same address in the 1920 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Mulligan | Head | — | 58 | ~1862 |
| George Mulligan | Son | — | 24 | ~1896 |
| Catherine Mulligan | Spouse | — | 61 | ~1859 |
Census Appearances
1900
Merrimack, New …
Head, age 43
Merrimack, New Hampshire · implied b. ~1857 — 12 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | James J |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 43 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Birth Month | May |
| Birth Year | 1857 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Carpenter |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1910
Merrimack, New …
Head, age 49
Merrimack, New Hampshire · implied b. ~1861 — 2 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 49 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Years Married | 29 |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Sweeper |
| Industry | Flour Mill |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | English |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
1920
Merrimack, New …
Head, age 58
Merrimack, New Hampshire · implied b. ~1862 — 3 household members
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 58 |
| Marital Status | Married |
| Birthplace | New Hampshire |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Ireland |
| Occupation | Laborer |
| Industry | Flour Mill |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Home Owned/Rented | O |
| Home Free/Mortgaged | M |
| Birth State | New Hampshire |
| Birth Country | United States |
| Birthplace (normalized) | new hampshire |
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 Mulligan across 3 US Census years (1900, 1910 and 1920) in Merrimack, New Hampshire, using XGBoost record linkage.
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This person
Anchor record
James Mulligan
Head · 1920 · age 58 · b. ~1862 · New Hampshire
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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 — Merrimack, New Hampshire
Open full size
1920 US Federal Census — Merrimack, New Hampshire
Page Contents
50 people indexed on this census page (ia:1920:14thcensusofpopu1013unit:0122)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | Richard Gahagan | 41 | Head | Laborer | New Hampshire |
| 2 | Mary Gahagan | 52 | Wife | — | New Hampshire |
| 3 | Annie Gahagan | 30 | Daughter | Laborer | New Hampshire |
| 4 | Erlina Gahagan | 16 | Daughter | Laborer | New Hampshire |
| 5 | Dorothy Gahagan | 13 | Daughter | — | New Hampshire |
| 6 | Mary Mulligan | 85 | Mother in law | — | Ireland |
| 7 | George Sager | 63 | Head | — | New Hampshire |
| 8 | Annie Sager | 77 | Wife | — | New Hampshire |
| 9 | Emma Sager | 74 | Sister | — | New Hampshire |
| 10 | Fred Burnham | 58 | Head | Watchman | New Hampshire |
| 11 | Rosella Burnham | 62 | Wife | — | New Hampshire |
| 12 | Ernest Burnham | 33 | Son | Laborer | New Hampshire |
| 13 | Lida Eaton | 68 | Boarder | — | New Hampshire |
| 14 | Mary Rogers | 76 | Boarder | — | New Hampshire |
| 15 | Frank Laing | 41 | Head | Superintendent | Maine |
| 16 | Minnie Laing | 33 | Wife | Houseman | New Hampshire |
| 17 | Amanda Laing | 77 | Mother | — | Maine |
| 18 | Emma J. Carter | 59 | Head | — | New Hampshire |
| 19 | Asa Cook | 56 | Head | Laborer | Vermont |
| 20 | Mary E. Cook | 63 | Wife | — | New York |
| 21 | Wilbur Cook | 17 | Grandson | Laborer | Massachusetts |
| 22 | Emma M. Eckert | 73 | Head | — | New Hampshire |
| 23 | Edward Kenney | 38 | Head | Machinist | New Hampshire |
| 24 | Mary Kenney | 29 | Wife | — | New Hampshire |
| 25 | Francis Kenney | 8 | Son | — | New Hampshire |
| 26 | David Kenney | 6 | Son | — | New Hampshire |
| 27 | Lawrence Kenney | 2 | Son | — | New Hampshire |
| 28 | John D. Royce | 66 | Head | Laborer | Connecticut |
| 29 | Ellen R. Royce | 64 | Wife | — | New Jersey |
| 30 | George Royce | 35 | Son | Laborer | New Hampshire |
| 31 | George Miner | 32 | Head | Laborer | New Hampshire |
| 32 | Julia Miner | 31 | Wife | Weaver | New Hampshire |
| 33 | Harold Miner | 9 | Son | — | New Hampshire |
| 34 | John Lavalley | 38 | Head | Finisher | New York |
| 35 | Rachel G. Lavalley | 47 | Wife | — | New York |
| 36 | Rida Kennedy | 23 | Step Son | Laborer | New York |
| 37 | Waldo Holmes | 45 | Head | Superintendent | New Hampshire |
| 38 | Emma C. Holmes | 42 | Wife | — | New Hampshire |
| 39 | James Mulligan THIS PERSON | 58 | Head | Laborer | New Hampshire |
| 40 | Catherine Mulligan | 61 | Wife | — | New Hampshire |
| 41 | George Mulligan | 24 | Son | Conductor | New Hampshire |
| 42 | John D. Long | 42 | Head | Policeman | Canada |
| 43 | Mabel E. Long | 46 | Wife | — | New Hampshire |
| 44 | John E. Long | 12 | Son | — | Massachusetts |
| 45 | Nellie G. Long | 6 | Daughter | — | New Hampshire |
| 46 | Florence Guimond | 20 | Boarder | Laborer | New Hampshire |
| 47 | Peter Hensen | 54 | Head | Laborer | New Hampshire |
| 48 | Mary E. Hensen | 54 | Wife | — | New Hampshire |
| 49 | Paula M. Hensen | 31 | Daughter | School Teacher | New Hampshire |
| 50 | Julia A. Hensen | 25 | Daughter | Bookkeeper | New Hampshire |
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)