[14] Samuel Sellers, the original settler, was a skilled weaver who played a pivotal role in the early industrial development of the region.

John Sellers recognized the potential of harnessing the waterpower of Cobbs Creek, leading to the development of six sites along the waterway.

John Sellers II passed away in 1878, and his sons continued operating Millbourne Mills with Thomas Steel.

Builders Samuel Shoemaker and John L. Fry, seeing a commercial opportunity, undertook the development of a suburban community featuring semi-detached homes.

[14] In 1909, Judge Issac Johnson of Delaware County issued an opinion that allowed for the incorporation of Millbourne as a borough within Upper Darby Township.

Attorneys representing the petitioners, who included a significant portion of the community, prepared a decree in accordance with the judge's opinion.

Millbourne became the fourth borough to be formed in the township, joining Clifton Heights, Lansdowne, and Aldan at the time.

Factors that led to a distress determination included revenue loss created from the closure of Sears and an evaluation by the Pennsylvania Department of Community and Economic Development.

[8] Fairmount Capital Advisors Inc., hired by the state of Pennsylvania, presented a five-year plan to recover Millbourne.

Following the events of the September 11th attacks, Sikh New York cab drivers, relocated to Millbourne in order to seek safety from instances of hate crimes.

Millbourne gradually became a secure haven for the expanding Sikh community due to its appealing amenities and the presence of a gurdwara.

Founders Samuel Shoemaker and John L. Fry identified a real estate opportunity and embarked on the development of homes to meet the growing demand.

Millbourne measures snowfall accumulated over a 31-day period centered around each day of the year, showing significant seasonal variation.

The snowy period spans 4.3 months from November 21 to March 30, with a minimum sliding 31-day snowfall of 1 inch (2.5 cm).

Conversely, the snowless period covers 7.7 months from March 30 to November 21, with August 1 experiencing the least snow, averaging 0 inches (0 cm) of total accumulation.

[50] The increase in the South Asian population in Millbourne can be attributed to the migration of Sikh cab drivers from New York following the September 11th attacks.

Seeking refuge from potential hate crimes targeting their use of turbans, as well as drawn by Millbourne's economic opportunities.

Another contributing factor to the rise in the South Asian population in Millbourne is the presence of relatives already living in the area, allowing for family reunification.

Later on, Kramer underwent a political realignment and joined the Democratic Party, subsequently running in the 2009 general elections and securing a victory.

[12] In October 1989, the Millbourne Fire Company temporarily ceased operations due to insufficient funds for insurance.

[26] On April 23, 2019, in a meeting, ten members unanimously voted to close the Millbourne Fire Company after 110 years of service.

Failed negotiations with Millbourne Borough led to the closure, and the firehouse has been locked with agreements of sale on two fire trucks.

The state of Pennsylvania designated Millbourne as financially distressed in 1993 and hired Fairmount Capital Advisors Inc. for a recovery plan.

[71] Due to the property lying within the Cobb's Creek floodplain and being located in a disadvantaged area, the plan was scrapped.

[72] On October 7, 2022, after 7 years of planning, the Children's Hospital of Philadelphia opened a logistics facility at the former Sears lot.

In Millbourne, the top three industries residents over the age of 16 are employed in include retail trade, recreation and food services, and administrative and waste management.

Millbourne appealed the decision to the Pennsylvania Supreme Court, wanting to be independent and send students to other schools on a tuition basis.

The stretch from Millbourne to Upper Darby offers a diverse culinary experience for the South Asian residents in the area.

Within a close proximity, several Indian, Bengali, and Punjabi grocery stores provide access to fresh produce.

[55] An episode of Postcards from Buster titled Philadelphia Masala was set in Millbourne, and was aimed to educate children on Sikh culture.