JM
James Mulligan — 1940 US Census Record
Linked across censuses1940 United States Federal Census · Rice-County, Minnesota
Our Model Tree links this James Mulligan across the 1930 and 1940 US Censuses in Rice-County, Minnesota (XGBoost, ~Confirmed) — first a son (b.~1922), then head of a 10-person household.
Age 18
b. ~1922
Male
Son
Born: Minnesota
Single
1940 Census Record Details
| Census Year | 1940 |
| Location | Rice-County, Minnesota |
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Northfield |
| 1935 Residence (County) | Rice |
| Additional Details | |
| Highest Grade | Hs 3 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
| Township / Ward | Dundas Village |
| Est. Birth Year | ~1922 |
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.
10 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to James | Age | Birth yr |
|---|---|---|---|---|
| James Mulligan | Son | — | 18 | ~1922 |
| Melanie Mulligan | Daughter | — | 6 | ~1934 |
| Margaret Mulligan | Daughter | — | 2 | ~1938 |
| Larry Mulligan | Son | — | 4 | ~1936 |
| Verne Mulligan | Son | — | 13 | ~1927 |
| Margaret Mulligan | Spouse | — | 39 | ~1901 |
| Harold Mulligan | Son | — | 10 | ~1930 |
| Roger Mulligan | Son | — | 8 | ~1932 |
| James Mulligan | Head | — | 42 | ~1898 |
| Hilmer Mulligan | Son | — | 16 | ~1924 |
Census Appearances
1930
Rice, Minnesota
Son, age 8
Rice, Minnesota · implied b. ~1922 — 8 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 8 |
| Marital Status | Single |
| Birthplace | Minnesota |
| Father's Birthplace | Minnesota |
| Mother's Birthplace | Pennsylvania |
| Occupation | none |
| Can Read/Write | Yes |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
1940
Rice-County, Minnesota
Son, age 18
Rice-County, Minnesota · implied b. ~1922 — 10 household members
| Surname | Mulligan |
| Given Name | James |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 18 |
| Marital Status | Single |
| Birthplace | Minnesota |
| 1935 Residence (City) | Northfield |
| 1935 Residence (County) | Rice |
| Highest Grade | Hs 3 |
| 1935 Residence | Minnesota |
| Birth State | Minnesota |
| Birth Country | United States |
| Birthplace (normalized) | minnesota |
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 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
Show:
This person
Anchor record
James Mulligan
Son · 1940 · age 18 · b. ~1922 · Minnesota
★ You are viewing this record
Sibling
Larry Mulligan
Sibling · 1940 · age 4
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Harold Mulligan
Sibling · 1940 · age 10
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Hilmer Mulligan
Sibling · 1940 · age 16
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Roger Mulligan
Sibling · 1940 · age 8
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Margaret Mulligan
Sibling · 1940 · age 2
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Verne Mulligan
Sibling · 1940 · age 13
Source co-child of head (derived)
● Co-child · derived · ~0.88
Sibling
Melanie Mulligan
Sibling · 1940 · age 6
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
1940 US Federal Census — Rice-County, Minnesota
Open full size
1940 US Federal Census — Rice-County, Minnesota
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-01953-00063)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 41 | Royden Little | 21 | Grand-son | Salesman | Minnesota |
| 42 | James Mulligan | 42 | Head | Laborer | Minnesota |
| 43 | Margaret Mulligan | 39 | Wife | — | Pennsylvania |
| 44 | James Mulligan THIS PERSON | 18 | Son | — | Minnesota |
| 45 | Hilmer Mulligan | 16 | Son | — | Minnesota |
| 46 | Verne Mulligan | 13 | Son | — | Minnesota |
| 47 | Harold Mulligan | 10 | Son | — | Minnesota |
| 48 | Roger Mulligan | 8 | Son | — | Minnesota |
| 49 | Melanie Mulligan | 6 | Daughter | — | Minnesota |
| 50 | Larry Mulligan | 4 | Son | — | Minnesota |
| 51 | Margaret Mulligan | 2 | Daughter | — | Wisconsin |
| 52 | Leo Fossum | 34 | Head | Elevator Laborer | Minnesota |
| 53 | Idell Fossum | 30 | Wife | — | North Dakota |
| 54 | James Irving | 54 | Head | — | Minnesota |
| 55 | Etta Irving | 52 | Wife | — | Minnesota |
| 56 | Nellie Irving | 21 | Daughter | — | Minnesota |
| 57 | Mabel Irving | 14 | Daughter | — | Minnesota |
| 58 | Frank A. Kolb | 56 | Head | Manager | Minnesota |
| 59 | Anna B. Kolb | 52 | Wife | — | Minnesota |
| 60 | Rufus Kolb | 21 | Son | Laborer | Minnesota |
| 61 | August Kolb | 18 | Son | Laborer | Minnesota |
| 62 | Doris Kolb | 16 | Daughter | — | Minnesota |
| 63 | Betty Kolb | 12 | Daughter | — | Minnesota |
| 64 | Albert Ireland | 34 | Head | Laborer | Minnesota |
| 65 | Minnetta Ireland | 22 | Wife | — | Minnesota |
| 66 | Shirley Ireland | 1 | Daughter | — | Minnesota |
| 67 | Arthur Mckeag | 38 | Head | Laborer | Ireland |
| 68 | Lillian Mckeag | 35 | Wife | — | North Dakota |
| 69 | Richard Mckeag | 9 | Son | — | Minnesota |
| 70 | Robert Mckeag | 9 | Son | — | Minnesota |
| 71 | John Ramon Mckeag | 7 | Son | — | Minnesota |
| 72 | Roderick Mckeag | 3 | Son | — | Minnesota |
| 73 | William Mckeag | 1 | Son | — | Minnesota |
| 74 | Frances Cheney | 81 | Head | — | Ohio |
| 75 | Lindonella Breckenridge | 50 | Niece | — | Ohio |
| 76 | Ella Roberts | 75 | Head | — | Ohio |
| 77 | George Vander Heyden | 55 | Son-in-law | Barber | Holland |
| 78 | Grace Vander Heyden | 54 | Daughter | — | Ohio |
| 79 | Anne Vander Heyden | 17 | Daughter | — | Minnesota |
| 80 | Jacob De Mann | 41 | Head | Garage Operator | Minnesota |
Related Census Records
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1940 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)