-Immigrated in 1905 alone. His wife and son followed later that year.
-Here is a copy of her marriage certificate. Rough translation:

We announce that in presence of witnesses Shymon Bukowski, carpenter, 40 years old, and Ivan Groblinskii, a day-labourer, 50 years old, both from Mlawa this religious marriage union between Ludvik Bukowski, unmarried day-labourer, 26 years old born in Shumsk, in Prasnysh who lives in Mlawa, the son of the late Jan and the living Marianna (nee Tsesarska), farmers and Michaelina Stolarczyk, 22 years old, born in Mlawa, who lives in Mlawa, daughter of the couple Mateusz and Antonina (nee Wypych) Stolarczyk, day-laborers. The marriage has been preceded by banns made public in the local parish kostel (Roman Catholic church) on the following days... : 14 December (27 December), 21 December (3 January) and 28 December (10 January) last and this years. The bride and groom announced that they did not enter any marriage contract. Religious marriage ceremony has been held by .... Adam Goschinsky, vicar. The present document has been read to those present who cannot read and has been only signed by us (signatures) [name] and [name] of Mlawa parish, the keeper of civil records

Sources:
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E-mail Joe C. for any additions/questions!