Jacob Maersch, Sr., one of the best known pioneer residents of Sheboygan died suddenly last evening at 7 o'clock at his home, corner of Huron avenue and Sixth street, after being ill a week.  On New Year's day Mr. Maersch contracted a cold which developed into bronchial pneumonia.  His condition was not thought serious but there was a change for the worse last evening and the end came at 7 o'clock.  He was born in Eisenschmitt near Trevesrhein, Prussia, Oct 31, 1837 and came to Sheboygan in 1887, and had lived here ever since.  When but a lad in his teens. Mr. Maersch learned the foundry trade and at the age of 20, took a prominent position as superintendent in one of the largest shops in Prussia.  He continued at his trade and occupied a similar position with the J. J. Vollrath company of this city.  He worked at this plant up to two years, when he retired.  He was married to Miss Fredricka Marnet in Rhine, Prussia, and five children were born to them, Mrs. Frank Kupzick, Jacob Jr., John and Frank P. of this city and Henry of Dallas, Texas.  His wife proceeded him in death about a year ago.  Mr. Maersch was the founder of the J. J. Vollrath Aid society and had been president of the society up to two years ago.  He was also vice-president of the St. Boniface society.  The funeral will be held from the Holy Name church Monday morning at 9 o'clock with a solemn requiem high mass, the Rev. Father Thill officiating.   Internment will be in the North Side Catholic cemetery.