Marykathryn
A girls’ name of Hebrew and Greek origin, meaning star of the sea, and pure; combination of Mary and Katherine.
Marykathryn by the numbers
Marykathryn was given to 5 American babies in 2017, the most recent full year we hold.
Its American peak was 20 babies in 2000, making it a 2000s name.
Other names that come from Katherine
Like Marykathryn, each of these traces back to Katherine: a form of it, a name built from it, or a son or daughter of it. Not always the same sex.
- Katherinepure2,833 in the US (2017)
- Katiepure; a diminutive of Katherine770 in the US (2017)
- Katelynpure; a modern variant of Katherine760 in the US (2017)
- Kathrynpure; variant spelling of Katherine744 in the US (2017)
- Kitdiminutive of Christopher or Katherine413 in England and Wales (2025)
- Kaelynpure; a modern variant of Katelyn or Katherine332 in the US (2017)
- Kathleenpure; a form of Katherine310 in the US (2017)
- Katrinavariant of Katherine; pure or unsullied193 in the US (2017)
Other names that come from Mary
Like Marykathryn, each of these traces back to Mary: a form of it, a name built from it, or a son or daughter of it. Not always the same sex.
- Mollybeloved; a diminutive of Mary405 in England and Wales (2025)
- Maliacalm, peaceful; hawaiian form of Mary1,416 in the US (2017)
- Marilynbeloved by god; a form of Mary580 in the US (2017)
- Mariamof the sea; beloved; form of Mary179 in England and Wales (2025)
- Marieof the sea; beloved; form of Mary453 in the US (2017)
- Maeof the sea; a form of May or Mary108 in England and Wales (2025)
- Pollystar; a diminutive of Polly from Mary242 in England and Wales (2025)
- Molliestar; diminutive of Mary or Molly192 in England and Wales (2025)
Spelled almost the same
Other names in the records within a letter or two of Marykathryn. Close spellings are not always related names, but they are usually worth seeing together.
- Marykatherinestar of the sea; pure; a compound form21 in the US (2017)
Other names that mean the sea
Like Marykathryn, each of these has the sea in its meaning. Different names, different histories, the same idea.
- Dylanson of the sea10,158 in the US (2017)
- Kaisea672 in England and Wales (2025)
- Mariaof the sea; a form of Mary522 in England and Wales (2025)
- Marystar of the sea; beloved2,381 in the US (2017)
- Morgansea-born; great and bright2,273 in the US (2017)
- Mariahof the sea; a form of Maria1,604 in the US (2017)
Other names that mean a star
Like Marykathryn, each of these has a star in its meaning. Different names, different histories, the same idea.
- Stellastar5,038 in the US (2017)
- Novanew; a brightening star650 in England and Wales (2025)
- Marystar of the sea; beloved2,381 in the US (2017)
- Estherstar333 in England and Wales (2025)
- Miriamstar of the sea; beloved197 in England and Wales (2025)
- Maryamstar of the sea or beloved825 in England and Wales (2025)
Names about as common as Marykathryn
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