Bertha KOCH

Born

23 January 1871 , Germany

Died

1 February 1948 , Reedsburg, Wisconsin, USA

Parents & Family of Bertha KOCH

Explore parents, grandparents, spouses, children, and the family connections surrounding Bertha KOCH.

Parents

Father unknownMother unknown

Grandparents

Explore grandparents

Spouse & Children

View family relationships1 recorded relationship(s)

Family Tree

Open family tree View pedigree chart

Born: 23 January 1871 in Germany

Father: Unknown

Mother: Unknown

Bertha was an immigrant to the United States, arriving by 1890.

Immigration to the United States: A Genealogist’s Perspective

Spouse(s)/Partner(s) and Child(ren):

Bertha married Julius THEINERT abt. 1896 . The couple had (at least) 2 children.
Julius THEINERT was born 20 November 1864 in Czechoslovakia (Bohemia) (Czech Republic). Julius died 28 October 1936 in Peoria, Illinois, USA.

Bertha KOCH died 1 February 1948 in Reedsburg, Wisconsin, USA.
Details of the family tree of Bertha appear below.

The Best German Genealogy Websites of 2025

Spouse & Children of Bertha KOCH

Hide Family & Children

Bertha KOCH married

Julius THEINERT
Marriage date: abt. 1896
Marriage place:

Children of Julius THEINERT and Bertha KOCH

Lillian Margaret THEINERT

Born: 4 March 1897, Lacon, Illinois, USA
Died: 18 July 1969, Reedsburg, Wisconsin, USA

Married: Martin William ROSE 6 July 1918 Place: , Illinois, USA

Leo Julius THEINERT

Born: 2 August 1911, Reedsburg, Wisconsin, USA
Died: 12 February 1964, Madison, Wisconsin, USA

Married: Margaret Marie STREICH 26 October 1940

Add Life Event

Have another record or photo?
Add a life event, census record, military record, obituary, achievement, or photograph for Bertha KOCH.

Life & Records

Photos, life events, and historical records for Bertha KOCH.

Hide Life & Records

How to read this timeline
Records about Bertha KOCH and family appear alongside historical events from the same years. Each item is labeled so you can quickly tell family records from historical context.

Birth — 1871
23 January 1871
Germany

1876 - March 7 – Alexander Graham Bell is granted a United States patent for an invention he calls the telephone.

1877 - November 21 - Thomas Edison announces his invention of the phonograph, a machine that can record sound.

1879 - Incandescent light bulb is invented (Thomas Alva Edison, United States)

1884 - Photographic film is invented (George Eastman, United States)

The first gravity roller coaster amusement ride (LeMarcus A. Thompson, United States)

1889 - The automobile is invented (Gottlieb Daimler, Germany)

1891 - The zipper is invented (Whitcomb L. Judson, United States)

The motion picture camera is invented (Thomas Alva Edison, William K.L. Dickson, United States)

First Perforated Toilet Paper Roll is Patented

1897 - Aspirin is invented (Felix Hoffmann (Bayer), Germany)

1897 Birth of Child
Lillian Margaret THEINERT was born 4 March 1897, Lacon, Illinois, USA

Bertha was 26 years old.

1900 Lacon, Marshall, Illinois
name: Bertha Theinert
titles:
residence: Lacon city, Marshall, Illinois
birth date: Jan 1871
birthplace: Germany
relationship to head-of-household: Wife
spouse name: Julius Theinert
spouse titles:
spouse birth place: Germany
father name:
father titles:
father birthplace: Germany
mother name:
mother titles:
mother birthplace: Germany
race or color (expanded): White
head-of-household name: Julius Theinert
gender: Female
marital status: Married
years married: 4
estimated marriage year: 1896
mother how many children: 2
number living children: 1
immigration year: 1890
enumeration district: 0048
sheet number and letter: 3B
household id: 72
reference number: 55
gsu film number: 1240328
image number: 00000235
Household Gender Age
spouse Julius Theinert M
Bertha Theinert F
child Lillian Theinert F

1900 Census Ancestry (U.S.)
Exploring the U.S. Census: Your Guide to America’s Data

1901 - King Camp Gillette and William Emery Nickerson invented the world's first disposable razor blade in 1901. (Boston, Massachusetts, USA)

1902 - July 17 - Willis Haviland Carrier designed the first modern air-conditioning system. (Buffalo, New York, USA)

1903 - The first engine-powered airplane is invented (Wilbur & Orville Wright, United States)

Reedsburg, Sauk, Wisconsin
Wisconsin State Census, 1905
name: Theinert
residence: Reedsburg city, Sauk, Wisconsin
age: 34y
estimated birth year: Abt 1871
birthplace: Germany
relationship to head of household: Wife
race: White
gender: Female
marital status: Married
place of birth: parent 1: Germany
place of birth: parent 2: Germany
family number: 248
page number: 469
line number: 22
film number: 1020984
digital folder number: 4236868
image number: 00583
Household Gender Age
spouse Julius Theinert M 39y
Theinert F 34y
Lilian Theinert F 8y

familysearch.org (Mormon Genealogy Records)
Unofficial Guide to FamilySearch.org: How to Find Your Family History on the World's Largest Free Genealogy Website

1906 - August 22 – The first Victor Victrola, a phonographic record player, was manufactured, revolutionizing the way people listened to music at home.

In 1906, Reginald Fessenden made the first AM radio broadcast on December 24th. This event marked a significant advancement in radio technology, paving the way for the modern broadcasting industry.

1907-1908 - The electric washing machine is invented (Alva J. Fisher, United States)

1908 - First Model-T car is produced by Henry Ford (United States)

1910 Winfield, Sauk, Wisconsin
name: Bettye Theinert
birthplace: Germany
relationship to head of household: Wife
residence: Winfield, Sauk, Wisconsin
marital status: Married
race : White
gender: Female
immigration year: 1896
father's birthplace: Germany
mother's birthplace: Germany
family number: 61
page number: 3
Household Gender Age
spouse Julius Theinert M 43y
Bettye Theinert F 39y
child Lillian Theinert F 13y

1910 Census Ancestry (U.S.)
Exploring the U.S. Census: Your Guide to America’s Data

Thanks to Mark W Rose

1911 Birth of Child
Leo Julius THEINERT was born 2 August 1911, Reedsburg, Wisconsin, USA

Bertha was 40 years old.

1912 - April 15 - Titanic sinks in the North Atlantic

1913 - The assembly line is invented (Henry Ford, United States)

The bra is invented (Mary Phelps Jacob, United States)

1918 Marriage of Child
Lillian Margaret THEINERT married 6 July 1918, , Illinois, USA to Martin William ROSE

1920 - Winfield, Sauk, Wisconsin
name: Bertha Theinert
residence: Winfield, Sauk, Wisconsin
estimated birth year: 1875
age: 45
birthplace: Germany
relationship to head of household: Wife
gender: Female
race: White
marital status: Married
father's birthplace: Germany
mother's birthplace: Germany
film number: 1822015
digital folder number: 4390901
image number: 00511
sheet number: 2
Household Gender Age
spouse Julius Theinert M 54y
Bertha Theinert F 45y
child Leo Theinert M 8y

1920 Census Ancestry (U.S.)
Exploring the U.S. Census: Your Guide to America’s Data

1921 - Charles Strite of Minnesota patents the pop-up toaster.

1923 to 1927 - Television is invented (Vladimir Kosma Zworykin (Russia), Philo Taylor Farnsworth (United States))

1927 - The aerosol can is invented (Erik Rotheim, Norway)

1928 - Sliced bread (bread slicing machine) is invented by Otto Frederick Rohwedder (United States)

1930 - Scotch tape is invented (Richard Drew (3M), United States)

1930 - Reedsburg, Sauk, Wisconsin
Name: Bertha Theinert
Birth Year: abt 1873
Gender: Female
Race: White
Birthplace: Germany
Marital Status: Married
Relation to Head of House: Head
Homemaker?: Yes
Home in 1930: Reedsburg, Sauk, Wisconsin
Map of Home: View Map
Street address: Main Street
Ward of City: First
House Number in Cities or Towns: 225
Dwelling Number: 233
Family Number: 248
Home Owned or Rented: Rented
Home Value: 6
Radio Set: No
Lives on Farm: No
Age at First Marriage: 23
Attended School: No
Able to Read and Write: Yes
Father's Birthplace: Germany
Mother's Birthplace: Germany
Language Spoken: German
Naturalization: Naturalized
Able to Speak English: Yes
Occupation: Housework
Industry: Private family
Class of Worker: Wage or salary worker
Employment: Yes
Neighbors: View others on page
Household Members:
Name Age
Bertha Theinert 57
SAVE Cancel
Source Citation
Year: 1930; Census Place: Reedsburg, Sauk, Wisconsin; Roll: 2609; Page: 9A; Enumeration District: 0029; Image:...Read full story

1930 Census Ancestry (U.S.)
Exploring the U.S. Census: Your Guide to America’s Data

In 1930, on February 18, Pluto was discovered by astronomer Clyde Tombaugh at the Lowell Observatory in Flagstaff, Arizona, marking a significant milestone in the study of our solar system.

1931 - The paper towel is invented (Arthur Scott, United States)

1934 - The metal beverage can is invented (American Can Co., United States)

1935 - The snowmobile was invented by Joseph Bombardier (Quebec, Canada)

1936 Death of Spouse/Partner
Julius THEINERT died 28 October 1936, Peoria, Illinois, USA

1938 - The ballpoint pen is invented (Lazlo Biro, Hungary)

1938-1944 - Sunscreen is invented (Franz Greiter, Switzerland and Benjamin Green, United States)

1938 - October 27 - Du Pont announces a name for its new synthetic yarn: nylon.

1940 - April - 1st electron microscope demonstrated (RCA), Philadelphia, Pennsylvania, USA

1945 - The atomic bomb is invented (J. Robert Oppenheimer, et al., United States)

The microwave oven was invented accidentally in 1945 by Percy Spencer, a Raytheon engineer. While testing a magnetron, he noticed microwaves melted a candy bar in his pocket. Experimenting further, he discovered microwaves could cook food quickly. Raytheon patented the process, and by 1947, they built the first commercial microwave oven, called the 'Radarange.' Initially used in commercial settings, microwaves becomes affordable for home use by the 1960s and 1970s, revolutionizing cooking.