ES
Edward Sullivan — 1940 US Census Record
Model Tree available1940 United States Federal Census · Silver-Bow-County, Montana
Our Model Tree links this Edward Sullivan across the 1920, 1930 and 1940 US Censuses in Silver-Bow-County, Montana (XGBoost, ~Confirmed), with identified parents Margaret — first a head (b.~1898), then head of a 5-person household.
Age 42
b. ~1898
Male
Head
Born: Montana
Married
1940 Census Record Details
| Census Year | 1940 |
| Location | Silver-Bow-County, Montana |
| Surname | Sullivan |
| Given Name | Edward P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Additional Details | |
| Occupation | Stenographer |
| Industry | A. C. M. Main Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
| Occupation | Stenographer |
| Township / Ward | Butte City |
| Est. Birth Year | ~1898 |
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.
5 people recorded at the same address in the 1940 census.
| Name | Relation to head | Relative to Edward | Age | Birth yr |
|---|---|---|---|---|
| Harriet Sullivan | Daughter | — | 4 | ~1936 |
| Edward Sullivan | Head | — | 42 | ~1898 |
| Robert Sullivan | Son | — | 2 | ~1938 |
| Edward Sullivan | Son | — | 8 | ~1932 |
| Margaret Sullivan | Spouse | — | 35 | ~1905 |
Census Appearances
1920
Silver Bow, …
Son, age 21
Silver Bow, Montana · implied b. ~1899 — 6 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Edward P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 21 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Ireland |
| Mother's Birthplace | Michigan |
| Occupation | Timekeeper |
| Industry | Power Co |
| Class of Worker | W |
| Can Read | Yes |
| Can Write | Yes |
| Speaks English | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1930
Silver Bow, …
Son, age 31
Silver Bow, Montana · implied b. ~1899 — 5 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Sullivan |
| Given Name | Edward P. |
| Relationship to Head | Son |
| Sex | M |
| Color / Race | White |
| Age | 31 |
| Marital Status | Single |
| Birthplace | Montana |
| Father's Birthplace | Irish Free State |
| Mother's Birthplace | Michigan |
| Occupation | Stenographer |
| Industry | Light & Power |
| Class of Worker | W |
| Can Read/Write | Yes |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
1940
Silver-Bow-County, Montana
Head, age 42
Silver-Bow-County, Montana · implied b. ~1898 — 5 household members
| Surname | Sullivan |
| Given Name | Edward P. |
| Relationship to Head | Head |
| Sex | M |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Montana |
| 1935 Residence (City) | Butte City |
| 1935 Residence (County) | Silver Bow |
| Occupation | Stenographer |
| Industry | A. C. M. Main Office |
| Class of Worker | PW |
| Hours Worked | 40 |
| Income (1939) | 2000 |
| Highest Grade | H-4 |
| 1935 Residence | Same Place |
| Birth State | Montana |
| Birth Country | United States |
| Birthplace (normalized) | montana |
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 Edward Sullivan across 3 US Census years (1920, 1930 and 1940) in 2 locations, using XGBoost record linkage. Identified parents: mother Margaret Sullivan (~0.92 confidence). The pedigree spans 1 generation with 1 identified ancestor.
Show:
Gen 1
Parents
confidence ≈ 0.92
Mother
Margaret Sullivan
b. ~1870
Source mother
● Household
· direct · ~0.92
This person
Anchor record
Edward Sullivan
Head · 1940 · age 42 · b. ~1898 · Montana
★ You are viewing this record
Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1940 US Federal Census — Silver-Bow-County, Montana
Open full size
1940 US Federal Census — Silver-Bow-County, Montana
Page Contents
40 people indexed on this census page (nara:1940:m-t0627-02230-00834)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 1 | George A Malmo | 36 | Head | Bus Driver | Montana |
| 2 | Ruth E Malmo | 32 | Daughter | Clerk | Montana |
| 3 | Charles J Mcdonald | 62 | Head | Engineer | Massachusetts |
| 4 | Charlotte Mcdonald | 55 | Wife | — | Montana |
| 5 | Ruth Mcdonald | 15 | Son | — | Montana |
| 6 | Lillian Mcdonald | 12 | Son | — | Montana |
| 7 | Olga Hakarson | 69 | Head | Housewife | Finland |
| 8 | Harry S Commons | 43 | Head | Purchasing Agt. | Colorado |
| 9 | Lillian K Commons | 40 | Wife | — | Montana |
| 10 | Harry S. Jr Commons | 5 | Son | — | Montana |
| 11 | Harold Bush | 39 | Head | Salesman | Montana |
| 12 | Ethel Bush | 40 | Wife | — | Montana |
| 13 | Russell Bush | 5 | Son | — | Montana |
| 14 | Owen Bush | 1 | Son | — | Montana |
| 15 | Agnes Stotterbury | 68 | Head | — | Montana |
| 16 | Frank J Moran | 36 | Head | Miner | Montana |
| 17 | Margaret Moran | 36 | Wife | — | Montana |
| 18 | Peggy Ann Moran | 15 | Daughter | — | Montana |
| 19 | Mary Frances Moran | 12 | Daughter | — | Montana |
| 20 | Patty Jo Moran | 10 | Daughter | — | Montana |
| 21 | James Moran | 8 | Son | — | Montana |
| 22 | Betty Jean Moran | 7 | Daughter | — | Montana |
| 23 | Helen Marie Moran | 5 | Daughter | — | Montana |
| 24 | Dorothy Ann Moran | 1 | Daughter | — | Montana |
| 25 | Felix Ruckwardt | 58 | Head | Baker | Germany |
| 26 | Bertha Ruckwardt | 50 | Wife | Assistant | Wisconsin |
| 27 | Virginia Ruckwardt | 18 | Daughter | Student Nurse | Montana |
| 28 | Edward P. Sullivan THIS PERSON | 42 | Head | Stenographer | Montana |
| 29 | Margaret Sullivan | 35 | Wife | — | Ireland |
| 30 | Edward J Sullivan | 8 | Son | — | Montana |
| 31 | Harriet Ann Sullivan | 4 | Daughter | — | Montana |
| 32 | Robert Patrick Sullivan | 2 | Son | — | Montana |
| 33 | William Mulligan | 35 | Head | Bookkeeper | Montana |
| 34 | Evelyn Mulligan | 34 | Wife | — | Montana |
| 35 | Carol Ann Mulligan | 1 | Daughter | — | Montana |
| 36 | Barney Kautzman | 70 | Head | Proprietor | Germany |
| 37 | Sophie Kautzman | 69 | Wife | — | Germany |
| 38 | Rose Kautzman | 40 | Daughter | Clerk | Utah |
| 39 | Elsie Kautzman | 38 | Daughter | Cashier | Utah |
| 40 | Harold Kautzman | 28 | Son | Shipping Clerk | Utah |
Pedigree Summary
Edward
Gen 1 · 1 parents
~0.92
Max depth 4 (1900–1950 window)
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)