If you are looking for Meighan's, Smith's and Lynch's from Willow Springs there are many of them buried in Holy Assumption Catholic Cemetery between Darlington and Mineral Point in Willow Springs Township. the Church is long since gone bit the cemetery is still in relatively good shape. The cemetery is several miles down a loose gravel road East of the highway. From a list I have of monument inscriptions the following people are buried there.
MEIGHAN James died 20 Feb 1893 age 78 Bridget, wife of James died 24 June 1901 age 72 Patrick died 16 June 1888 Edward died 18 Nov 1879 age 57 native of County Monaghan, ireland Jane wife of Edward died 10 Nov 1873 age 48 native of County Latrim, Ireland Arthur died 1863 age 55 native of County Monaghan, Ireland James 2 June 1837 - 18 March 1899 native of County Monaghan, Ireland Patrick died 23 Dec 1874 age 72 Native of County Monaghan, Ireland Margaret wife of Patrick died 14 Sep 1857 age 50years, 5 months, 9 days native of County Monaghan, Ireland, Iedavenett Parish Margaret daughter of Patrick and Margaret died 19 Sep 1867 age 20 years, 3 Months, 18 days Mary daughter of Patrick and Margaret 8 Nov 1844 - 23 May 1883
LYNCH Henry 1864 - 1942 Michael born Ireland 1820, died 26 April 1906 Mary Ann wife of Michael born Ireland 1836, died 5 April 1896 Michael 1788 - 1868 native of County Monaghan, Ireland Mary wife of Michael 1793 - 1868 native of County Monaghan, Ireland Edward 1827 - 1908 native of County Monaghan, Ireland Rosa 1864 - 1876 Emma 1866 - 1876 Thomas 1868 - 1879 Matthew died 6 March 1898 age 68 Native of County Cavan, Ireland Children of Matthew and Mary (Mary is not listed) Catherine Elizabeth John F. died 13 May 1898 age 32 years 18 days
SMITH Joseph R. son of Thomas and Mary 23 Jan 1899 - 2 Oct 1909 John born in County Monaghan, Ireland 1808 died 4 Jan 1903 James native of County Monaghan, Ireland died 18 April 1880 Edward died at Marysville, California 29 April 1872 age 35 native of County Monaghan, Ireland Cathren 1779 - 1879 George 1829 - 1906 Sarah Ann wife of George 1843 - ? Sarah Jane 1872 - 1906 Marcella Bridget Jennie Mary Agnes Catherine wife of Edward Lynch 1831 - 1868 native of County Monaghan, Ireland Thomas 1851 - 1899 James J. 11 March 1879 - 21 July 1887 Mark B. 8 March 1887 - 25 March 1887
There may be others as well but some of the stones are very hard to read. It is a remarkable cemetery because of it's strong ties to Ireland and particularly County Monaghan. To go there gives you an eerie sense of connection. None of the names you are looking for are related to mine but several of my families are buried there as well
To find the church records for Holy Assumption Catholic Church contact the Catholic Church at Belmont. That is where the records are kept. They are mostly written in Latin and the church does not allow you to see them, but the priest there seems aggreeable to searching the records when his time permits.