Seems like the perfect day to make this call to the Baseball-Reference.com Bullpen for Mother Watson:
Mother Watson appeared in a couple major league games with the 1887 Cincinnati Red Stockings, a team which went 81-54. Watson was 22 years old at the time. He pitched 14 innings, giving up 9 earned runs along with 9 unearned runs. He also played in the outfield but had no chances.
He is the only major leaguer named or nicknamed "Mother". A 1987 article in the New York Times said that he "was considered virtuous". However, that explanation of his nickname doesn't square with the fact that a "Mother Watson" was a character in Horatio Alger novels, and not a nice one. Perhaps, the fame of the novels made the name just too enticing for major leaguers of the time not to utilize when a man named Watson came along.
He is recorded as weighing only 145 pounds.
The Wheeling Daily Register, March 30, 1888, reported that Watson was going to be given a trial by the Zanesville team, with expenses paid.
One source thinks he belongs on the "All-Family Team" with Willie "Pops" Stargell, Grandma Murphy, and Uncle Robbie Robinson.
He died at age 33 after being shot.
Betcha there's a lot of mothers out there who either tolerated and/or fostered some baseball fanatic children. If yours was one of them, pay her back today with a thank you. She'd probably love it.