Every human being has one and on Sunday the United States will celebrate them.
Taking place annually on the second Sunday of May, Mother's Day has been an observed national holiday since the early 20th century.
Here are some interesting facts about the day set aside to honor mothers, such as the variance in national observances, the connection to Lent, and the founder's eventual contempt for it.
Many countries have a day set aside to celebrate the presence of mothers. However, not all of them fall on the second Sunday of May, as it is in the U.S.
To be sure, some countries like Australia and Canada do observe the holiday on the same day as the U.S. However, other nations have different methods of picking the day.
"It is held exactly three weeks before Easter Sunday in the United Kingdom," noted the website timeanddate.com.
"Mother's Day is an annual public holiday in countries such as Costa Rica (Aug. 15, on the same day as Assumption Day), Georgia (March 3), Samoa (second Monday of May), and Thailand (Aug. 12)."
And some countries have it on the same date each year. One example is El Salvador, which celebrates the "Dia de Las Madres" on May 10 every year.
The British celebration for mothers traces its origins back centuries before the U.S. was an independent country with an observance called Mothering Sunday.
Mothering Sunday was a special Sunday during the liturgical season of Lent, which was the roughly 40 days between Ash Wednesday and Easter.
The holiday fell on the Fourth Sunday of Lent, which was carved out to honor the Virgin Mary. Part of the celebration included bringing gifts to one's own mother.
"Mothering Sunday was also known as Refreshment Sunday because the fasting rules for Lent were relaxed on that day. Besides both Old and New Testament lessons on mid-Lent Sunday made a point of food," noted mothersdaycelebration.com.
"The Gospel reading from the New Testament told the story of how Jesus fed five thousand people with only five small barley loaves and two small fish, (John 6:10-12)."
A floral common theme for Mother's Day is that of the carnation. The tradition of wearing carnations as part of the American holiday goes all the way back to its origins.
"Anna Jarvis, the founder of Mother's day, for the first time, sent 500 white carnations to the Andrews Methodist Episcopal Church, in Grafton, West Virginia," explained The Flower Expert.
"She wanted the flowers to be distributed among the mothers. Then onwards, it has become a tradition to gift flowers on the Mother's Day as a token of thanks for all her love and care."
Traditionally the color of the carnation was meant to hold significance. Wearing a pink carnation symbolize having a living mother while wearing a white carnation meant one's mother was deceased.
Before it became an official holiday, an early version of the American observance was created by Julia Ward Howe, the author of the famous Christian song "Battle Hymn of the Republic."
In 1870, Howe released a proclamation for a "Mother's Peace Day," which centered on all mothers to advance the cause of world peace.
"Our sons shall not be taken from us to unlearn all that we have been able to teach them of charity, mercy and patience. We women of one country will be too tender of those of another country to allow our sons to be trained to injure theirs," read the proclamation in part.
"In the name of womanhood and of humanity, I earnestly ask that a general congress of women without limit of nationality may be appointed and held at some place deemed most convenient and at the earliest period consistent with its objects, to promote the alliance of the different nationalities, the amicable settlement of international questions, the great and general interests of peace."
The creation of Mother's Day is often credited to the efforts of Anna Jarvis, the daughter of 19th century social activist Ann Reeves Jarvis.
Ironically never a mother herself, Anna Jarvis is credited with organizing the first Mother's Day celebration in 1908 at Andrews Methodist Episcopal Church of Grafton, West Virginia.
In 1910, it became a state holiday in West Virginia and by 1911 was being celebrated in most states. In 1914, it became a national holiday.
Although successful in her campaign to make Mother's Day a national holiday, as time progressed Jarvis came to reject the observance due to its commercialization.
"While Jarvis had initially worked with the floral industry to help raise Mother's Day's profile, by 1920 she had become disgusted with how the holiday had been commercialized," noted history.com.
"By the time of her death in 1948 Jarvis had disowned the holiday altogether, and even actively lobbied the government to see it removed from the American calendar."